Answer:
Radiotherapy
Explanation:
Answer:
Radioisotopes are used in medicine as tracers to detect and diagnose medical problems. Radioisotopes are also used in radiation therapy to treat cancer.
Explanation:
sample answer on edge:3
In order for a ball to move upward, the initial velocity of the ball must be greater than _____.
Answer:
The answer is zero please Give me Brainly
Explanation:
We see a bolt of lightning and 4 s later we hear the thunderclap. If the speed of
sound in air is 0.2 mi/s, how far away is the lightning?
Answer:
i guess 0.8 miles away
Explanation:
mathematically:-
speed is given in question
Time is given
and we have to find distance
simply by using speed formula (s) = d/t
we get answer
The bolt of lightning is 0.8 miles far away.
What is speed?The speed of any moving object is the ratio of the distance covered and the time taken to cover that distance.
Given, is a bolt of lightning and 4 s later we hear the thunderclap. If the speed of sound in air is 0.2 mi/s,
Speed = d/t
D = 0.2 x 4
D = 0.8 miles
Thus, the lightning is 0.8 miles far away.
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The speed at which data travels to and from the ISP is measured in ______. Select your answer, then click Done.
The speed at which data travels to and from the ISP is measured in bps. The speed of the data travel is measured in beats per second.
What is speed?Speed is defined as the rate of change of the distance or the height attained. it is a time-based quantity. it is denoted by u for the initial speed while v for the final speed. its si unit is m/sec.
The formula for the speed of data travel is found as;
[tex]\rm v = \frac{Data \ travelled}{time}\\\\[/tex]
The unit for the speed of data traveled is beats /sec. The speed at which data travels to and from the ISP is measured in bps.
Hence the bps is the correct answer for the blank.
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A point charge of +3.0 × 10–6 C experiences a force of
2.5 N. What is the electric field strength at the
location of the point charge?
Answer:
How far from a point charge of +2.4x 10-6C must a test charge be placed to measure a field of 360 N/C? E-AV = 400 V = 2X104 N/C d =( 0.020 m 7.)
Explanation:
A car is traveling with a velocity of 40. 0 m/s and has a mass of 1120 kg. How much kinetic energy does the car have?
Answer:
896 kj
Explanation:
KE= 1/2 mv^2 = 1/2 1120 40^2 =
If you were an astronaut floating in outer space and you threw a baseball, how much force would be required to keep that baseball moving at a constant speed after you let go of it?
Answer:
None Zero
Explanation:
No more force applied after you release it <==== inertia means it will keep on moving in the same direction
Another student group collects the following data. They predict that the starting position
of the cart does not have an effect on the acceleration (they have a constant
relationship). Complete their data table, analyze their data and write a conclusion
Answer:
Accelaration: 2 - 1.875 - 2.167 - 2.25
Explanation:
Acceleration is [tex]\frac{ Ending Velocity-Starting Velocity }{Ending time-Starting time}[/tex]
Acceleration to Time graph and the conclusion would be the description of that slope
Which body in our solar system is larger than earth.
Answer:
The Neptune
Explanation: Hope it helps you :))))
Have a good day
A negatively charged rubber rod was brought near some small pieces of paper. The rod’s charges repelled the
negative charges in the pieces. Which of the following caused the repulsion of the negative charges?
a. conduction b. insulation c. induction d. friction
____ 12. The diagram below shows two aluminum spheres.
Aluminum sphere A contains a small negative charge and is touched by aluminum sphere B, which has a
larger negative charge. Which of the following occurs next?
a. Protons flow from sphere B to sphere A.
b. Protons flow from sphere A to sphere B.
c. Electrons flow from sphere B to sphere A.
d. Electrons flow from sphere A to sphere B.
____ 13. Most electrical wires are covered with plastic or rubber. The wires are covered with plastic or rubber because
those materials
a. are conductors of electricity. c. are not conductors of electricity.
b. make complete electric circuits. d. make the electricity move quickly.
____ 14. The loss of static electricity as electric charges transfer from one object to another is called
a. friction. b. conduction. c. induction. d. static discharge.
c. Electrons flow from sphere B to sphere
___ 13. Most electrical wires are covered with plastic or rubber. The wires are covered with plastic or rubber because
those materials
a. are conductors of electricity. c. are not conductors of electricity.
b. make complete electric circuits. d. make the electricity move quickly.
____ 14. The loss of static electricity as electric charges transfer from one object to another is called
a. friction. b. conduction. c. induction. d. static discharge.
This country has become an attractive manufacturing location for semiconductors because of the number of manufacturing plants in the country and availability of workers skilled in semiconductor production.
This country has become an attractive manufacturing location because of availability of workers skilled in semiconductor production is True.
What is Production?This involves the process of conversion of raw materials into finished products.
It involves the factors of production which is why the country became an attractive manufacturing location for semiconductors because of the number of manufacturing plants in the country and availability of workers skilled in semiconductor production.
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An experiment was set up to investigate the cooling of water in two flasks. One flasks was painted shiny white. The other was painted Matt black. The starting temperature of the hot water poured into both flasks was 80 degrees. Explain what other quantity had to be kept the same in both flasks to make the experiment fair.
Answer:
add add more hot water in the flask painted shiny white while less of it in the one painted Matt black
Explanation:
Let's name the flasks A and B respectively
flask A due to the nature of its exterior will tend to reflect heat from the environment thus will need more hot water while flask B since it painted in Matt black the heat will be absorbed from the environment thus will require less hot water
A tennis player can serve a tennis ball at approximately 2.0 m/s.
If the other player is 4.0 meters away from the server, how long
does it take the ball to reach the second player? Please show
your work in order to earn credit for this question.
Kinematic Equation which may help with this problem.
Formula: [tex]d=vt[/tex]
d = distancev = velocityt = timeSolving the QuestionWe're given:
v = 2.0 m/sd = 4.0 mSolve for t[tex]d=vt\\\\t=\dfrac{d}{v}[/tex]
⇒ Plug in the given values:
[tex]t=\dfrac{4.0}{2.0}\\\\t=2.0[/tex]
AnswerTherefore, it took 2.0 seconds for the ball to reach the second player.
According to NEC 110.9, switches and fuses must have a(n) ____ capacity not less than the available short-circuit current at their supply terminals.
According to NEC 110.9, switches and fuses must have Interrupting capacity not less than the available short-circuit current at their supply terminals.
What is interrupting Capacity?Interrupting Capacity is the fault conditions current that a circuit breaker may stop without causing the circuit breaker to fail.
According to NEC 110.9, switches and fuses must have Interrupting capacity not less than the available short-circuit current at their supply terminals.
Hence the correct answer for the blanks is Interrupting .
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How many atoms are there in 0,23 g Na?
Answer:
There are 6.02*10^23 atoms in each mole (Avagadro no.) That is x moles * avagadro no. According to that, in 23 grams of sodium we have 6.02*10^23 atoms of Na.
Explanation:
A combination burglary/fire alarm system listed for household use may be used in a small mercantile occupancy.
A. True
B. False
The same combination burglary/fire alarm system listed for household use can not be used in a small mercantile occupancy hence the statement is false.
What is a small mercantile occupancy?A small mercantile occupancy refers to an area that is used for the display of certain goods. It is in short a mini commercial space.
We can not use the same combination burglary/fire alarm system listed for household in a small mercantile occupancy hence the statement is false.
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A beaker of (liquid) water has been heated to its boiling point.
Calculate the mass of water which will evaporate when an additional
565 kJ of energy is transferred to the water. The specific latent heat
of vaporisation of water is 2.26 MJ/kg (2,260,000 J/kg).
Latent heat can not be detected by a thermometer. The mass of water lost is 0.25 g.
What is latent heat?The latent heat is the heat that can not be detected by a thermometer but it acts to break the intermolecular bonds in a substance.
Now we know that;
Heat added = 565 * 10^3 J
Heat of vaporization of water = 2,260,000 J/kg
H = mL
m = H/L
m = 565 * 10^3 J/ 2,260,000 J/kg
m = 0.25 g
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Which has the greatest atomic mass?
Sulfur (S), Silicon (Si). Bromine (Br). Phosphorus (P)
Answer:
Bromine
Explanation:
Bromine has an atomic mass of 79.904 which is greater than all the other ones.
One car of mass 1,765 kg is travelling at a speed of 28 m/s. This car runs into another car that is at rest and they stick together. The resulting wreck is moving at a speed of 10 m/s. What is the mass of the car that was originally at rest?
Answer:
3177 kg
Explanation:
Conservation of momentum
momentum = mv this will be the same before and after the wreck
1765 * 28 = 49420 kg - m/s
After, it will be the same
(1765 + m2) 10 = 49420
m2 = 3177 kg
How do you calculate the average power, current, potential difference of an AC generator
If you pull on a box with a force of 5 N and your teacher pulls on the same box with a force of 5 N in the opposite direction, the net force on the box is _______. View Available Hint(s)for Part A 0 N 5 N 50 N 10 N
Answer:
A. 0N
Explanation:
assume you're pulling in the positive direction, then we have 5 + (-5) = netforce = 0N
If two different net forces are applied to the same object at different times, which one will cause the object to accelerate at a greater rate — the larger or smaller net force?
Answer:
The smaller net force :)
Explanation:
The second law shows that if you exert the same force on two objects of different mass, you will get different accelerations (changes in motion). The effect (acceleration) on the smaller mass will be greater (more noticeable).
If two different net forces are applied to the same object at different times, a smaller net force will cause the object to accelerate at a greater rate.
What is force?Force is defined as the push or pulls applied to the body. Sometimes it is used to change the shape, size, and direction of the body. Force is defined as the product of mass and acceleration. Its unit is Newton.
Newton's second rule states that if you apply the same force to two objects with different masses, the accelerations will be different. The impact will be larger on the smaller mass.
If two different net forces are applied to the same object at different times, a smaller net force will cause the object to accelerate at a greater rate.
Hence smaller rate is the correct answer.
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A student examining a flashlight observes that it uses a traditional incandescent light bulb. The power rating of the bulb is 60 W, and the bulb is connected to 36 V. What is the current moving through the bulb?
The current moving through the traditional incandescent light bulb in the examined flashlight is 1.67A.
Electric PowerElectric power is simply the rate at which electrical energy is transferred by an electric circuit per unit time. It is equal to the voltage difference across the element multiplied by the current.
It can be expressed as;
P = V × I
Given the data in the question;
Power = 60WVotage V = 36VCurrent I = ?To determine the current moving through the bulb, we substitute our given values into the expression above.
P = V × I
60W = 36V × I
I = 60W / 36V
I = 1.67A
Therefore, the current moving through the light bulb is 1.67A.
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Difference between electrolytes and nonelectrolytes.
Answer:
Electrolytes are salts or molecules that ionize completely in solution. As a result, electrolyte solutions readily conduct electricity. Nonelectrolytes do not dissociate into ions in solution; nonelectrolyte solutions do not, therefore, conduct electricity
Explanation:
Answer:
Chemical compounds can be divided into two categories according to their ability to conduct electricity through their aqueous solution.
These two categories are electrolytes and nonelectrolytes.
Electrolytes are chemical compounds that can dissolve in water forming ions. These ions can conduct electricity through the solution. Thes include acids, base and salts
Nonelectrolytes are chemical compounds that do not conduct electricity when dissolved in water. This is because they do not form ions when dissolved in water. These include corbon containing compounds, fats & sugars.
The main difference between electrolytes and nonelectrolytes is that electrolytes can get ionized when dissolved in water whereas nonelectrolytes cannot get ionized when dissolved in water.
One way to produce a beam of polarized light with intensity I and polarization angle θ would be to pass unpolarized light with intensity I0 through a polarizer whose transmission axis is oriented such that θTA=θ. How large must I0 be if the transmitted light is to have intensity I?(Figure 3)
Express your answer as a decimal number times the symbol I. For example, if I0=(1/4)I, enter 0. 25 * I
Polarization of light is achieved by passing the light through a polarizer which causes the light to vibrate in only one direction.
What is polarization of light?The question is unclear but I will try to explain what is meant by polarization of light. We know that light is an electromagetic wave and vibrates in all directions.
The polarization of light enables light to vibrate in a specified direction. This is achieved by passing the light through a polarizer which causes the light to vibrate in only one direction.
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the voltage used by most households can be modeled by a sine function. The maximum voltge is 120 volts, and there are 60 cycles every second. Write an equation to represent the value of the voltage as it flows through the electric wires, where t is time in seconds
The required equation for the sine function can be written as; V = 120sin120πt
What is a sine function?A sine function is a regular repeating function. We know that the voltage is represented using a sine function of the general form V= V-o sin2πft
Hence;
f = 60 cycles per second
V-o = 120 volts
So from the values that we have stated above;
V = 120sin120πt
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According to current understanding, what is a quasar?.
Answer:
A quasar is an extremely bright, distant object visible to radio telescopes.
Which object will have the greatest gravitational pull?.
Answer: Since you haven't provided any answer choices, the answer would be the object with the greatest mass, like the earth vs the sun. The sun is obviously way bigger therefore has more graviational pull.
Hope this helps!
True of false. Red stars are hotter than blue stars.
Answer:
False
Explanation:
Blue stars are hotter than red stars
think of a working flame on a bunsen burner
A resistor of 4 ohms is connected isn series to a box speaker of unknown resistance. If a current of 0. 6A flows through the speaker when a voltage of 12V is applied across the combination, calculate: 1. The total resistance in the circuit. Ii. The resistance of the speaker ili. The voltage applied across the speaker.
Answer:
Explanation:
Part One
Current = 0.6 amps
Voltage = 12 volts
R = ?
R = E / I
R = 12/0.6
R = 20 ohms
Part 2
Rt = Rspeaker + R
Rt = 20 ohms
R = 4 ohms
Formula
Rt = Rspeaker + R
20 = Rspeaker + 4 Subtract 4 from both sides
Rspeaker = 16 ohms
Part 3
Rspeaker = 16 ohms
I = 0.6 ohms
E = 0.6 * 16
E = 9.6
A certain light wave has a frequency of 4. 29 x 10 14 squared hz. What is the wavelength of this wave in the water
Answer: 5.26 x 10 -7 squared m
Explanation: I did the CK12 assignment :)