You stand on the surface of the Earth. Your mass is m, and the mass of the Earth

Question

You stand on the surface of the Earth. Your mass is m, and the mass of the Earth is M. You jump upward, reaching a maximum height above the Earth. When you are at this height the magnitude of the force exerted on the Earth by you is Af'g/m. m^2 g/Xf. mg. Mg. To attend the professor's office hours, a Physics 2A student whose actual weight is 63 7 N is riding in an elevator to get to the 7th floor of Urey Hall. The elevator is accelerating upward at 1.20 m/s^2. What is the student's apparent weight?

Explanation / Answer

Here,

6) as the jump height is very smaller than radius of earth

the gravitational force on the person will not change.

the correct answer is

d. M*g

7)

W = 637 N

a = 1.20 m/s^2

apparent weight = W/g * (g + a)

apparent weight = 637/9.8 * (9.8 + 1.20)

apparent weight = 715 N

the apparent weight is A) 715 N

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