NEED HELP ASAP I WILL MARK YOU BRAINLIEST!!

A) The amount of geothermal energy that reaches Earth's surface in one day is : 43.2 * 10¹⁷ joules

B) Humanity's current consumption of energy is; 71.4 GJ per individual.

C) Ratiois ; 60.5 * 10⁶ Joules

Given data :

Amount of energy flow = 50 terawatt =  50*10¹² joule/sec.

Since the geothermal energy reaches the earth in a single day

Energy = power * time

Time = 24 hours ( 1 day ) = 86400 secs.

Energy = 50*10¹² joule/sec * 86400 secs

            = 43.2 * 10¹⁷ joules

Humanity's current consumption of energy in one day is estimated to be 71.4 GJ per individual.

Geothermal energy / human current annual consumption

= 43.2 * 10¹⁷ Joules / 71.4 * 10⁹ Jolues

= 60.5 * 10⁶ Joules

Hence we can conclude that A) The amount of geothermal energy that reaches Earth's surface in one day is : 43.2 * 10¹⁷ joules

B) Humanity's current consumption of energy is; 71.4 GJ per individual.

C) Ratiois ; 60.5 * 10⁶ Joules

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Answer:

Its 11:21 AM where i am

Explanation:

I d k cuz the sun is up? XD i d k

Answer: Kingdom Monera

Objective assessment is the type which is based on repeatable, measurable data.

This involves the use of unbiased and balanced observation based on verified facts.

This is verified by the use of  repeatable and measurable data so as to ensure the accuracy is high in this scenario.

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Answer:

jupiter

Explanation:

from the list, Jupiter is closest to the sun.

Answer:

v = 48

Explanation:

follow the formula v = i x r add up all the resistors an multiply it by the current

Answer:

C

Explanation:

An object in motion will stay in motion unless acted on by a net positive or negative force.

For answer A. If the object were to be in an orbit, it would inevitably accelerate due to it being acted on by the gravitational force from the object it is orbiting. At different points in the orbit, the object will move at different speeds and continuously transfer between kinetic and potential energy.

For answer B. The object would would not stop their motion. In order for the object to lose energy, it would have to transfer it through friction or through its interaction with a gravitational field.

For answer D. No energy is "required" to maintain constant motion unless the object is willingly fighting against a resistive force like friction or a graviational well.

Answer:

sawing a board in half

dissolving sugar in water

a block of ice subliming

Explanation:

Answer: Dissolving sugar in water, burning a match, and sawing a board in half

Explanation: Dissolving sugar in water is an example of a physical change. Here's why: A chemical change produces new chemical products. In order for sugar in water to be a chemical change, something new would need to result. A chemical reaction would have to occur.

When a match burns, it undergoes a chemical change. Matches use sulfur, phosphate and a friction agent held together by a binding agent. With a match, heat ignites the phosphorous on the head of the match

cutting of wood is a physical change because only physical property of wood is changed and no new substance is formed. the properties of wood remains the same. burning of wood is a chemical change as new substances are formed that is smokes and CO2. it is different from wood.

I hope this is the correct answer im pretty sure because I've finished that quiz or test already

Answer:

It is refracted.

Explanation:

Answer:

It is refracted

Explanation:

The light changes direction when it enters and exits the prism. When white light is shone through a triangular prism, a rainbow of light is seen on the opposite side of the prism.

The average kinetic energy of the molecules of the coffee will decrease and the speed of the individual molecules will also reduce.

The temperature of the resultant mixture will be higher than the cold water temperature and lower than the hot coffee temperature.

Based on the decrease of the resulting temperature (equilibrium temperature) of the mixture, the average kinetic energy of the molecules of the coffee will decrease and the speed of the individual molecules of the hot coffee mixture will reduce, leading to a resultant cold mixture of coffee.

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Answer:

M = 50 kg / sec * 60 sec = 3000 kg       water that falls

PE = M g h     initial potential energy of water

PE = 3000 kg * 9.8 m/s^2 * 20 m = 588,000 joules of energy lost

Answer:Answer:

a) The mass of the blood is 5.788 kg

b) The total cells is 1.041x10¹³cells

Explanation:

Given:

V = volume of blood = 5.46 L = 0.00546 m³

ρ = density of blood = 1060 kg/m³

a) The mass of the blood is equal:

b) mc = mass of cells = 45% of mass of blood

mc = 0.45 * 5.788 = 2.6046 kg

ρc = density of cells = 1125kg/m³

The volume of the cells:

Vwc = volume of white blood cells = 1% of volume of the cells

Vwc = 0.01 * 0.0023 = 2.3x10⁻⁵m³

The radius of the cell is:

The volume of a single cell is:

The number of the red blood cells is:

The number of the white blood cells is:

The total cells is:

Tc = 1.031x10¹³ + 1.041x10¹¹ = 1.041x10¹³cells

Explanation: I just copied from another answer

Hi there!

a)

We know that the resistance of the wire is equivalent to:
[tex]R = \frac{\rho L}{A}[/tex]

R = Resistance (Ω)
ρ = Resistivity (Ωm)

L = Length (m)

A = Cross-sectional area (m²)

We can relate the voltage to an electric field by:
[tex]V = Ed \\\\V = El[/tex]

V = Potential Difference (V)
E = Electric Field (V/m)

l = Length of wire (m)

And Ohm's Law:
[tex]V =iR[/tex]

i = Current (A)

V = Potential Difference (V)

R = Resistance (Ω)

We do not know the length, so we can solve using the above relationships.

[tex]V = iR\\\\V = i\frac{\rho L}{A}\\\\\frac{V}{L} = E = i\frac{\rho}{A}\\\\i = \frac{EA}{\rho} = \frac{.55 \times \pi (0.00044^2)}{(2.44 \times 10^{-8})}} = \boxed{13.71 A}[/tex]

b)

We know that V = Ed (Electric field × distance), so:

[tex]V = 0.55 \times 6.3 = \boxed{3.465 V}[/tex]

c)

Calculate the resistance using the above equation.

[tex]R = \frac{\rho L}{A}\\\\R = \frac{(2.44\times 10^{-8})(6.3)}{\pi(0.044^2)} = \boxed{2.527 \times 10^{-5} \Omega}[/tex]

The value of the coefficient of kinetic friction between the wagon and inclined surface is 0.78.

The value of coefficient of kinetic friction is calculated as follows;

F - Ff = ma

F - μmgcosθ = ma

where;

182 - μ(20 x 9.8 x cos30) = 20(2.5)

182 - 169.74μ = 50

182 - 50 = 169.74μ

132 = 169.74μ

μ = 132/169.74

μ = 0.78

Thus, the value of the coefficient of kinetic friction between the wagon and inclined surface is 0.78.

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Answer:

B

Explanation:

Answer:

The answer will be #3 and #4

Explanation:

Because the more the organisms live in the topsoil the weaker the soil would get and most likely that would happen and planting trees stop soil erosion because when the trees absorb water underground it makes the soil firm and tight just like the (abnormal) soil you would see near few feet near most trees.

Answer:

CH4 + 2O2 -> CO2+2H20 Here we add 2 in front of H2O and 2 in front of O2

The zeroth law states that a simple, non-rotating black hole has uniform gravity at its event horizon. This is kind of like saying that such a black hole is at thermal equlibrium.

hope it helps...!!!

Answer:

the answer is B

Explanation:

its b

Answer:

The answer is A.

Explanation:

The friction generated heat to release chemical energy because the same same thing happens with fluorescent and sodium vapor lamps; heat causes the (low-pressure) mercury/sodium vapor gas lamp to cause a lot of heat energy resulting in the same thing happening when you strike a match.

Answer:

Explanation:

The speed of light is 300,000,000 m/s. Shat is the frequency of microwaves with a wavelength of 0.01 meter

Explanation:

Jacob Bekenstein, Brandon Carter, and James Bardeen(few new stuff were done by Stephen hawking)

Answer:

the wave length is 7.6 inches

Explanation:

A 43-kg rock is dropped from a 36 m, experiencing a Uniformly Accelerated Motion and falling to the ground 2.7 s later.

A Uniformly Accelerated Motion is a motion in which the acceleration of the object is constant.

A 43 kg rock is dropped from a 36 m tower. Given the only acceleration is that of gravity, we can calculate the time required to hit the ground using the following kinematic equation.

s = 1/2 × a × t²

t = √(2s / a)

t = √[2 × 36 m / (9.8 m/s²)] = 2.7 s

where,

A 43-kg rock is dropped from a 36 m, experiencing a Uniformly Accelerated Motion and falling to the ground 2.7 s later.

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Answer:Sir haymo knows

Explanation:

he gave as homework

The acceleration of the Saturn is - (2πf)²x(t).

A motion in which the restoring force is directly proportional to the body's displacement from its mean position is known as a simple harmonic motion, or SHM. This restoring force always moves in the direction of the mean position. A particle moving in simple harmonic motion accelerates as a(t) = - ω² x (t). Here, ω denotes the particle's angular velocity.

The acceleration of the particle at any position is directly proportional to the displacement from the mean position in simple harmonic motion, which is an oscillatory motion.

Given that:

at any time, the angular position of Saturn is (2πf)t.

the displacement in SHM at that time t is given by x(t)=R cos(2πf)t.

Hence, speed  in SHM at that time t is given by

[tex]v(t) = \frac{dx(t)}{dt} =R \frac{d }{dt} cos(2\pi f)t = -(2\pi f) sin(2\pi f)t[/tex]

it's acceleration is

[tex]a(t) = \frac{dv(t)}{dt} =-(2\pi f) R \frac{d }{dt} sin(2\pi f)t = -(2\pi f)^2 Rcos(2\pi f)t = -(2\pi f)^2 x(t)[/tex]

hence, at any time t, the acceleration of the Saturn is - (2πf)²x(t).

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The frictional torque exerted on the platform by the axle as the platform rotates will be;

[tex]\rm T_f \theta =\frac{1}{2} I [\omega^2-\omega_0^2][/tex]

Torque is the force's twisting action about the axis of rotation. Torque is the term used to describe the instant of force. It is the rotational equivalent of force. Torque is a force that acts in a turn or twist.

The amount of torque is equal to force multiplied by the perpendicular distance between the point of application of force and the axis of rotation.

Work done by the frictional torque = Change in the rotational kinetic energy of the wheel

[tex]\rm T_f \theta =\frac{1}{2} I [\omega^2-\omega_0^2][/tex]

Where,

[tex]\rm T_f[/tex] is the frictional torque

[tex]\rm \omega[/tex] is the final angular velocity

[tex]\rm \omega_0[/tex] is the initial angular velocity

[tex]\rm \theta[/tex] is the angular displacement

Hence, the frictional torque exerted on the platform by the axle as the platform rotates will be;

[tex]\rm T_f \theta =\frac{1}{2} I [\omega^2-\omega_0^2][/tex]

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Answer:

Explanation:

Bot produce heat    both produce end products that are different than the beginning products

A common application of the wave/particle duality of ligt is in the technology of the solar panel.

One of the greatest breakthroughs of mordern physics is the establishment of the fact that light could both behave as a light and a particle. The ressearch into the particle nature of light gave rise to the phenomenon of the photoelectric effect.

Now, a very popular application of this is in the solar panel where light impinges on a metal panel which is connected to a battery that can be used to  store charges.

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