What is the speed of the eraser when it hits the floor

Reference no: EM13286523

Penny's eraser was accidentally dropped out of the window and falls into the street. The window is 9 m above the road.

(a) What is the speed of the eraser when it hits the floor? m/s

(b) Leonard happened to pass by and picks up the eraser. What was the minimum speed with which he can throw it back to Penny? m/s

Reference no: EM13286523

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