# Question

You throw a stone vertically upward with an initial speed of 6.0 m/s from a third-story office window. If the window is 12 m above the ground, find

(a) The time the stone is in flight and

(b) The speed of the stone just before it hits the ground.

(a) The time the stone is in flight and

(b) The speed of the stone just before it hits the ground.

## Answer to relevant Questions

A Super Ball is dropped from a height of 4.00 m. Assuming the ball rebounds with 95% of its impact speed, (a) The ball would bounce to (1) less than 95%, (2) equal to 95%, or (3) more than 95% of the initial height? (b) ...It takes 0.210 s for a dropped object to pass a window that is 1.35 m tall. From what height above the top of the window was the object released? A car travels three-quarters of a lap on a circular track of radius R. (a) The magnitude of the displacement is (1) less than R, (2) greater than R, but less than 2R, (3) greater than 2R. (b) If R = 50 m, what is the ...A toy rocket is launched (from the ground) vertically upward with a constant acceleration of 30.0 m/s2. After traveling 1000 m, its engines stop. When it reaches the very top of its motion, it falls for 0.500 s before a ...Are any of the vectors in Fig. 3.23 equal?Post your question

0