Seatwork No. A rock is thrown vertically downward with a speed of 20.0m/s from the top of a tower. The rock hits the ground 2.5s after it is dropped. a. How tall is the tower if it stands on level ground? b. what is the speed of the rock just before it strikes the ground?

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 33P: Projectile Motion A bullet is shot horizontally from shoulder height (1.5 m) with an initial speed...
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Kinematic Equations
Seatwork No. 1
A rock is thrown vertically downward with a speed of 20.0m/s from the top of a tower. The rock hits the ground
2.5s after it is dropped.
a. How tall is the tower if it stands on level ground?
b. what is the speed of the rock just before it strikes the ground?
Transcribed Image Text:Kinematic Equations Seatwork No. 1 A rock is thrown vertically downward with a speed of 20.0m/s from the top of a tower. The rock hits the ground 2.5s after it is dropped. a. How tall is the tower if it stands on level ground? b. what is the speed of the rock just before it strikes the ground?
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