Find out the speed with which pebble strikes the ground

Reference no: EM1393055

Q. A slingshot fires a pebble from the top of a building at a speed of 20.00 m/s. The building is 28-m tall. Ignoring air resistance, find out the speed with which pebble strikes the ground when the pebble is fired (a) horizontally (b) vertically straight up and (c) vertically straight down.

Reference no: EM1393055

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