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Novay_Z [31]
3 years ago
15

The forces exerted by earth and a skier become an action reaction force pair when the skier accelerates while earth doesnt seem

to move at all. expalin why the skier accelerates whu,e tthe earth doesn't seem to move at all?
Physics
1 answer:
frozen [14]3 years ago
5 0

Explanation:

We know from newton's 2nd law that F= m/a. That is force directly proportional to mass and inversely proportional to acceleration. F is same for the skier and Earth but mass is different for both. m for earth is way larger than the m for skier. So, for constant Force , a of Earth must very small as compared with a of the skier.

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How many times higher could an astronaut jump on the Moon than on Earth if his takeoff speed is the same in both locations (grav
JulsSmile [24]

Answer:

maximum height on moon is 6 times more than the maximum height on Earth

Explanation:

Let the Astronaut has its maximum speed by which he can jump is "v"

now for the maximum height that it can jump is given as

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now from above equation we will have

0 - v^2 = 2(-g)H

now we have

H = \frac{v^2}{2g}

now if Astronaut jump on the surface of moon with same speed

then we know that the acceleration of gravity on surface of moon is 1/6 times the gravity on earth

so at surface of moon we have

0 - v^2 = 2(-g/6) H

now we have

H = \frac{6v^2}{2g}

so maximum height on moon is 6 times more than the maximum height on Earth

8 0
3 years ago
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kvv77 [185]

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3 0
3 years ago
A restaurant records the number of tables served each night, and the results have the values: minimum = 3, lower quartile = 14,
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5 0
2 years ago
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Mumz [18]
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8 0
4 years ago
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Andre45 [30]

Answer:

78

Explanation:

4 0
4 years ago
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