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sweet [91]
2 years ago
10

The majority of the sun's energy that reaches Earth is __________. View Available Hint(s) The majority of the sun's energy that

reaches Earth is __________. trapped by greenhouse gases used by plants for photosynthesis continually recycled by ecosystems not captured for use by living things
Physics
1 answer:
Lera25 [3.4K]2 years ago
3 0

Answer:

not captured for use by living things

Explanation:

The sun is a star with a high radiation and most of(around 55-67%) the radiation that reaches the earth is usually reflected back. The earth cannot use all the energy that reaches the earth. It uses almost around 15-30%

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Determine the kinetic of 600 kg roller coaster car that is moving with the speed of 35.2 m/s.
antiseptic1488 [7]
The answer is 10,560 Joules or 1.1*10^4


Explanation:

Step 1: Calculate
The equation for Kinetic Energy is

Kinetic energy=.5 times Mass times Velocity²
KE=.5*m*v²

so we plug in our numbers
KE=.5*600*35.2²

This works out to be 10,560 Joules or 1.1*10^4
5 0
3 years ago
Two protons are released from rest, with only the electrostatic force acting. Which of the following statements must be true abo
Colt1911 [192]

Answer:

Explanation:

correct options

a ) Their electrical potential energy keeps decreasing

Actually as they move apart , their electrical potential energy decreases due to increase of distance between them and kinetic energy increases

so a ) option is correct

b ) Their acceleration keeps decreasing

As they move apart , their mutual force of repulsion decreases due to increase of distance between them so the acceleration decreases .

c ) c. Their kinetic energy keeps increasing

Their kinetic energy increases because their electrical potential energy decreases . Conservation of energy law will apply .

7 0
3 years ago
A snowboarder is sliding back and forth on a half pipe at one point she leaves the top of the half pipe and slides to the other
r-ruslan [8.4K]

Answer:

he kinetic energy increases on the descent, being maximum at the lowest point of the trajectory.

Explanation:

In these semicircular sections the skaters slide from one side to the other, in the downward path their kinetic energy increases and their potential energy decreases; When it leaves the ramp and is in the air, the kinetic energy decreases rapidly, up to the point of maximum height where the kinetic energy is zero.

Consequently, the kinetic energy increases on the descent, being maximum at the lowest point of the trajectory.

3 0
3 years ago
Read 2 more answers
Scientists estimate the age of the universe to be (1 point)
Nesterboy [21]

12-15 billion years i think

4 0
3 years ago
A force of 10 newtons acts in a direction 75° above horizontal, moving an object 15 meters from (0, 0) to (15, 0). what is the w
hammer [34]

Work done by the force is 150 Joules.

Steps involved in the question:

Step one:

Given data

Force F= 10N

the distance is described by the coordinate =  (0,0) to (15,0)

hence the distance = 15m in the x-direction.

Step two:

Required is the work done

we know that work done is expressed as

Wd= Force* Distance

Wd= 10*15

Wd= 150 Joules

To learn more about work done refer : brainly.com/question/25573309

#SPJ4



6 0
2 years ago
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