The period of the orbit of the spacecraft around Venus is 5187.3 seconds.
What did the period of motion of a an object?The period, T, of an object in circular motion is the time taken for one complete revolution.
The period, T, of the planetary body is given as:
[tex]T = 2\pi\sqrt{\frac{r^{3}}{Gm}}[/tex]
where;
r is the radius G is universal gravitational constant = 6.67 × 10^-11 Nm^2/kg^2m is the massSubstituting the values:
[tex]T = 2\pi\sqrt{\frac{(6.05 \times 10^{6})^{3}}{6.67 \times 10^{ - 11} \times 4.87 \times 10^{24}}} = 5187.8s[/tex]
Therefore, the period of the orbit of the spacecraft is 5187.3 seconds.
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Choose the answer choice that BEST completes the following sentence:
The
of the Sun is the interior or center part of this star.
O Radiative Zone
O Core
O Convective Zone
O Photosphere
The core of the Sun is the interior or center part of this star.
The features of the sunThe sun is one of the stars of the solar system that gives life to the planet earth. All the other planets revolves round it.
The features of the sun include the following:
sunspots, solar prominences, solar flares, and coronal mass ejections.The sun is also made up of several parts which include:
Hydrogen and helium.The core,The radiative zone,The convective zone, and The photosphere.The innermost or central part of the sun is the core that is made up of the highest amount of hydrogen atoms.
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Describe the unique characteristics of fluids
ANS:-
The characteristics of fluid are as given below:
densitypressureviscositycompressibility#HOPE IT HELPED YOU#
compressibility, pressure, buoyancy, viscosity, and surface tension are characteristic of a fluids.
What is fluid ?Fluid is a material which can flow. gas and liquid is called as fluid. If a fluid is not compressible and it has zero viscosity it is considered an ideal fluid.
Fluids have no definite shape.
it has many characteristics,
Compressibility, different fluids have different compressibility, only gas is compressible, liquids are incompressible.
Pressure - all flued have pressure associated with them, when a gas is enclosed in a box, gas molecule have kinetic energy which collides on the wall of the box and pressurize it. Flowing water have pressure.
buoyancy - when a small object is falling in the flued a force called buoyance force is acted upon it which opposes falling motion.
Viscosity - it is relative motion between two adjacent layer, each liquid has different viscosity.
surface tension - it is the force per unit tangential line on the region which acts as stretched membrane.
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The ability of the medium to refract light rays?
Light Density
[tex]\frak{\fcolorbox{black}{pink}{Black Pink in your area}} [/tex] ~←(>▽<)ﾉ
A skier starts from rest and slides 9.0 m down a slope in 3.0 s. Assuming constant acceleration, in
what time after starting will the skier acquire a speed of 24 ms?
Answer:
3 seconds
Explanation:
initial velocity = 0ms
final velocity = 24ms
time(1) = 3s
acceleration = ?
time (2) =?
solution:-
to find acceleration,
a =( vf - vi ) / t
= 24-0 /3
= 24/ 3
a= 8ms^-2
To find time(2)
t= (vf - vi )/ a
= 24- 0 / 8
= 24/ 8
= 3seconds
The distance between 4 nodes is 15.0 cm. The frequency of the source is 10.0 Hz. What is the speed of the waves in cm/s?
a
1.50 x 10^2 cm/s
b
1.00 x 10^2 cm/s
c
75.0 cm/s
d
2.00 x 10^2 cm/s
The speed of the waves will be 100 cm/s. The speed of a wave is the product of the frequency and wavelength.
What is a sound wave?When an object vibrates, a pressure wave is created, which produces sound. The particles in the surrounding medium (air, water, or solid) vibrate as a result of the pressure wave.
For one node distance is [tex]\lambda[/tex]
The distance between 4 nodes;
[tex]=\rm \lambda+ \frac{\lambda}{2} \\\\ = \frac{3 \lambda}{2} \\\\[/tex]
The distance between 4 nodes = 15.0 cm.
[tex]\frac{3\lambda}{2} = 15 \times 10^{-2} \\\\ \lambda= \frac{2 \times 15 \times 10^{-2}}{3} \\\\\ \lambda= 10 \times 10^{-2}[/tex]
The given frequency of the source is;
f = 10 Hz
The speed of wave is found as;
[tex]\rm v = f \lambda \\\\ v= 10 \times 10^{-2} \\\\ v=1 \ m \\\\\ v = 10^2 \ cm/sec[/tex]
Hence, the speed of the waves will be 100 cm/s
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The diagram shows a handle with three forces, each 100 N, applied to it. The handle is free to
move.
100N
100N
100N
handle
pivot
What is the effect of the forces on the handle?
A The handle will move downwards.
B The handle will not move.
с The handle will turn anticlockwise (to the left).
D The handle will turn clockwise (to the right).
Answer:
с The handle will turn anticlockwise (to the left).
Explanation:
What is the moment of inertia (in units of gcm2) of an aluminum disk of radius 8.7 cm and thickness 3.0 mm spinning around its symmetry axis
For an aluminum disk of radius 8.7 cm and thickness 3.0 mm spinning around, moment of inertia is mathematically given as
I=16268.20gcm^2
What is the moment of inertia?Generally, the equation for the volume is mathematically given as
v=\pir^2t
Therefore
v=\pi(8.7)^2*0.32
v=76.09cm^3
In conclusion, The inertia
I=136.83*8.7^2/2
I=16268.20gcm^2
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two 75.0-N forces act on an object at right angles to each other. what is the magnitude of the resultant of these two forces? what is the magnitude of their equilibrant
Answer:
Sine they are at right angles to each other, therefore “theta”= 90°. Using our cosine rule to look for our resultant force.
Explanation:
A^2=B^2+C^2 - 2BC COSthetha
A=resultant force; B=3N; C=4N; COS90=0.
A^2=3^2+4^2 - 2×3×4×0
A^2=9+16–0
A^2=25
A=√25
A=5N.
I NEEEEEEEEEEEEEEEEEED Help:(
Answer:
C. Light rays are bent by the water in the glass
Explanation:
That's the way science works and I learned about this before in class.
The Borg Scale uses a perceived exertion rating of
A. 1-10
B.6-20
C. 100-200
D. 15-30
Answer:
A. 1-10
Explanation:
not sure..
Hello, I have no idea how to do this.
Can someone help?
Based on the information in the table,
Choose whether the magnetic field is weak or strong.
The magnetic field is weak in both A and C but strong in B since magnetic field strength increases with number of turns and quantity of current.
What are the factors affecting the strength of the magnetic field in a solenoid?The strength of the magnetic field in a solenoid is affected by the following factors:
number of coilsthe martial in the core of the solenoid the current passing throughThe strength of the magnetic field of a solenoid ncreases when:
The current is increasedhe number of turns is increasedsoft iron core is placed into the solenoidTherefore, the magnetic field is weak in both A and C but strong in B.
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21. How does cellular respiration directly benefit animals?
A. by producing glucose
B. by consuming oxygen
C. by forming carbon dioxide
D. by storing energy in adenosine triphosphate (ATP)
Answer:
D
Explanation:
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate, and then release waste products.
Question 3 of 20 :
Select the best answer for the question.
3. Which type of mental function would be the strongest and most obvious?
O A. Feeling
O B. Judging
O C. Introversion
O D. Observant
ما
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The type of mental function that is the strongest and most obvious is feeling. That is option A.
Types of mental functionMental function can be defined as those activities that are performed by individuals such as thinking, sensing, or reasoning that involves the cognitive use of the brain.
The four basic cognitive functions include:
thinking, feeling, intuition, and sensation.The magnitude of each basic cognitive functions depends on the personality of the individual.
An extrovert is an individual that is active, outgoing, and has an expressive pattern of behaviour. Therefore extrovert feeling would be the strongest and most obvious.
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An athlete swings a 5.00-kg ball horizontally on the end of a rope. The ball moves in a circle of radius 0.800 m at an angular speed of 0.500 rev/s. If the maximum tension the rope can withstand before breaking is 100 N, what is the maximum tangential speed the ball can have?
Answer:
1kg is the answer i think
Changes in daily ____ like tracking can lead to constipation
Changes in daily routine or lifestyle like traveling can lead to constipation
However, other causes of constipation include the following:
Not observing enough exerciseEating foods very low in fibersDehydration. Changes in one's regular routine, such as traveling or eatingOver consumption of some food substances such as milkResisting the urge to have a bowel movement.Going late to bedEating late at night for some individualsWhat is constipation?This is a health condition in whereby there is difficulty in emptying the bowels.
This makes defecation very difficult.
So therefore, changes in daily routine or lifestyle like traveling can lead to constipation
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What is part of the first stage in the process of technological design?
reporting a solution
building a prototype
researching information
designing a solution
Researching information
Explanation: Edge 2020
hope this helps :3. pls mark me brainiest Brainliest
Answer:
It is C.
Explanation:
Got it right on edge.
A series RLC circuit attached to a 120 V/60 Hz power line draws 2.80 A of current with a power factor of 0.830. What is the value of the resistor?
The value of the resistance of the series RLC circuit attached to a 120 V/60 Hz power line is 35.57 ohms.
What is power factor of RLC series circuit?The power factor of RLC series circuit is determined from the ratio of resistance to the total impedance of the circuit.
Pf = R/Z
0.83 = R/Z
where;
R is the resistance of the circuitZ is the impedance of the circuitZ = V/I
0.83 = R/(V / I)
0.83 = (RI) / (V)
RI = 0.83V
R = 0.83V/I
R = (0.83 x 120) / (2.8)
R = 35.57 ohms
Thus, the value of the resistance of the series RLC circuit attached to a 120 V/60 Hz power line is 35.57 ohms.
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what is meant by reticlinear propatigation of light?
Answer:
The property of light going in a straight lines in a homogenous straightforward medium is known as rectilinear engendering of light.
Answer:
the property of light travelling in a straight lines in a homogenous transparent medium
Explanation:
what happens to the resistance of two resistors when connected in parallel circuit
What is temporary magnet ?
Explanation:
Temporary magnets are the magnets made of comparatively softer ferrous or irons.They are used because of their ability to magnetize easily and faster.They are useful until the magnetic flow is continuing else they become useless
Relate states of the matter with heat by a proper graph and describe the graph fully by your own words
Answer: If you are adding heat to a sample at a constant rate , you plot the temperature against time.
Explanation:
What does least count of screw gauge mean?
Answer:
Least count of a screw gauge is the minimum length that we can measure using a screw gauge. We can measure the least count of the screw gauge by measuring the pitch of the screw gauge and the number of divisions on the circular scale.
Answer:
The minimum amount of value or number which can be measured by a screw gauge is called its least count or L.C
Explanation:
1. Go to your room for 2 hours (you can do it longer to really feel the difference); 2. Keep your gadgets out of your reach, turn off any grid powered electrical devices and appliances; 3. Perform any activities that you loved aside from those that needed modern products of technology. 4. After the social experiment, write a minimum of 5 sentences essay on how does it feel to have no gadgets, appliances and anything that are products of modern technology. In your essay you must answer the question, Are we human using these technologies or are these technologies using us already?
Answer:
You should probably try following the instructions and you will be able to find the answer to the question :>
Explanation:
but mostly the technology's using us
state 2 factors that determines the height to which a force pump can lift water
Answer:
Explanation:
mass of the water and power of the pump
mass of the water and power of the pump determines the height to which a force pump can lift water.
How Does a Hydro Pump Work?To operate the forced pump, the user pushes a lever or handle on the ground. When the handle is pushed, the downhole cylindrical piston is pushed down into the well. As the piston passes through the water, it is pushed around the sides of the piston.
In addition to the fuel, the suction pump also supplies pressure. This allows the injector to pressurize the fuel more efficiently and prevent the engine from "starving". Without a suction pump, the injection pump would have to spend more time drawing fuel from the tank itself and pressurizing it before supplying it to the engine.
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Suppose two cars collide with each other
How can you minimize the danger to the passengers of the colliding cars?
Use the conservation of momentum to answer the question
We can minimize the danger to the passengers of the colliding cars by slowing down the car, by use airbag and other safety measures.
What is collision?The abrupt, violent coming together in direct contact of two bodies is known as the collision.a falling object and a floor are examples of collision.
When the distance between two ships decreases while the bearings remain constant, a collision occurs.
If you can't discover an exit route and are almost certain to collide with anybody, you must slow down considerably. Any decrease in speed will lessen the harm to you, your vehicle, and your riders.
According to the law of conservation of momentum, the momentum of the body before the collision is always equal to the momentum of the body after the collision.
According to the law of conservation of momentum;
Momentum before collision =Momentum after collision
By the law of conservation of momentum, we understand the momentum get conserved. So we can find the collision velocity and reduces the chances of collision.
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04*. The resultant of two force vectors A and B has a magnitude of 150 N along the y-axis. If the force vector B makes an angle of 60° with the positive x-axis, find the magnitude of B and the direction of A, given that the x-component of A is equal to -60 N. [120N, 142.48°)
(a) The magnitude of force vector B at the given resultant force is 120 N.
(b) The direction of force vector A is 142.46°
Resultant of the forcesThe resultant forces is calculated as follows;
Acosθ + Bcosθ = 0 --- (1)
Asinθ + Bsinθ = 150 ---- (2)
Magnitude of BAcosθ + Bcos60 = 0
-60 + Bsin60 = 0 (Acosθ = x-component of A = Ax)
Bcos60 = 60
B = 60/cos(60)
B = 120 N
Direction of AAsinθ + Bsinθ = 150
Ay + Bsinθ = 150
Ay + 120sin60 = 150
Ay = 150 - 120sin60
Ay = 46.1 N
[tex]tan \theta = \frac{A_y}{A_x} \\\\\theta = tan^{-1} (\frac{A_y}{A_x})\\\\\theta = tan^{-1} (\frac{46.1}{-60})\\\\\theta = -37.53^0\\\\\theta = -37.53^0 + 180 = 142.46^0[/tex]
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From a graph v1 = 0.4m/s, v2 = 2.35m/s, t1 = 0.5s, t2 = 10.0s. The slope obtained using the above information is
The slope of the velocity - time graph from the given data point is 0.21 m/s².
Slope of velocity - time graphAcceleration is the rate of change of velocity with time. The slope of velocity - time graph is accelertion.
a = Δv/Δt
where;
a is accelerationΔv is change in velocityΔt is change in timeChange in velocityΔv = v₂ - v₁
Δv = 2.35 - 0.4
Δv = 1.95 m/s
Change in timeΔt = t₂ - t₁
Δt = 10 - 0.5
Δt = 9.5 s
Slope of the grapha = Δv/Δt
a = 1.95/9.5
a = 0.21 m/s²
Thus, the slope of the velocity - time graph from the given data point is 0.21 m/s².
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With the use of formula, the slope of the graph is 0.21 m/[tex]s^{2}[/tex]
SLOPEThe slope M of a graph is the gradient of the graph.
The formula for calculating slope M is;
M = [tex]\frac{V_{2} - V_{1} }{t_{2} - t_{1} }[/tex]
From a graph it is given that
v1 = 0.4m/s v2 = 2.35m/s t1 = 0.5s t2 = 10.0s.The slope obtained using the above information can be calculated by using the formula above
M = (2.35 - 0.4) / ( 10 - 0.5 )
M = 1.95 / 9.5
M = 0.205 m/[tex]s^{2}[/tex]
Therefore, the slope of the graph is 0.21 m/[tex]s^{2}[/tex] approximately
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If the error in the angle is 0.50, the error in sin 90o is
At the given erro in angle, the error in the measurement of sin 90 degrees would be 0.001.
Percentage errorThe percentage error of any measurement is obtained from the ratio of the error to the actual measurement.
The error of sin 90 degrees is calculated as follows;
sin 90 = 1
error in measurement = sin(90 - 0.5)
error in measurement = sin(89.5) = 0.999
Error in sin 90 degreesError in sin 90 degrees = 1 - 0.999
Error in sin 90 degrees = 0.001
Thus, at the given erro in angle, the error in sin 90 degrees would be 0.001.
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Which example is an abiotic factor of an aquarium environment?
Answer:
See Explanation
Explanation:
salt, water, rocks, sediment, trash.
Abiotic factors are non-living organisms in an ecosystem.
Hope this helps and have a nice day
A stroboscope is set to flash every 6.55 ✕ 10−5 s. What is the frequency (in Hz) of the flashes?
Answer:
15 267 times per second
Explanation:
1 / ( 6.55 x 10 ^-5) = 15 267 Hz