A stone is dropped from rest from the top of a building. It takes Δt = 3.1 s for it to reach the ground.

1. Express the final velocity vf of a object travelling with an acceleration a for a time period Δt which starts with an initial velocity vi.

2. Calculate the magnitude of vf in m/s.

3.Express the displacement Δy of an object travelling with acceleration a during a time period Δt that has an initial velocity vi.

4. Calculate the magnitude of Δy in meters.

Question

A stone is dropped from rest from the top of a building. It takes Δt = 3.1 s for it to reach the ground.

1. Express the final velocity vf of a object travelling with an acceleration a for a time period Δt which starts with an initial velocity vi.

2. Calculate the magnitude of vf in m/s.

3.Express the displacement Δy of an object travelling with acceleration a during a time period Δt that has an initial velocity vi.

4. Calculate the magnitude of Δy in meters.

worldunseen · Answer

In freefall, the initial velocity of the object at the top is always 0.

simplixity · Answer

@WorldUnseen YOU ARE AMAZING. thank you!!

worldunseen · Answer

@simplixity np bro