A student standing on a cliff throws a pebble from a vertical height of d = 8.0 m above the level ground with velocity vo = 19 m/s at an angle = 23° below the horizontal, as shown. It moves without air resistance. Use a Cartesian coordinate system with the origin at the initial position of the nebble. d Part (a) With what speed, in meters per second, does the stone strike the ground? Part (b) If the pebble had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, would its impact velocity be different?
A student standing on a cliff throws a pebble from a vertical height of d = 8.0 m above the level ground with velocity vo = 19 m/s at an angle = 23° below the horizontal, as shown. It moves without air resistance. Use a Cartesian coordinate system with the origin at the initial position of the nebble. d Part (a) With what speed, in meters per second, does the stone strike the ground? Part (b) If the pebble had been thrown from the clifftop with the same initial speed and the same angle, but above the horizontal, would its impact velocity be different?
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter4: Motion In Two And Three Dimensions
Section: Chapter Questions
Problem 76P: A small plane flies at 200 km/h in still air. If the wind blows directly out of the west at 50 km/h,...
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