A pebble is thrown horizontally at a speed of 5.0 m/s from the top of a condominium 78.4 m high. How long does it take the pebble to reach the ground? b. How far from the base of the condominium does the pebble hit the ground? 1. a. С. What are the horizontal and vertical components of the pebble's velocity just before it hits the ground? Repeat Problem #1 but this time use 10.0 m/s as the pebble's horizontal speed. 2.

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 54P: The Lunar Roving Vehicle used In NASA’s late Apollo missions reached an unofficial lunar land speed...
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Answer No. 2 and 3
Use Pythagorean
= Vv, + v,
-V(15 m/s)* + (–
theore
V
%3D
= 33 m/s
PRACTICE EXERCISES
A pebble is thrown horizontally at
a speed of 5.0 m/s from the top of a
condominium 78.4 m high.
How long does it take the pebble
to reach the ground?
b. How far from the base of the
condominium does the pebble
hit the ground?
1.
a.
с.
What are the horizontal and
vertical components of the
pebble's velocity just before it
hits the ground?
Repeat Problem #1 but this time use
10.0 m/s as the pebble's horizontal
speed.
Repeat Problem #1, but this time
use 156.8 m as the height of the
condominium.
2.
3.
Transcribed Image Text:Use Pythagorean = Vv, + v, -V(15 m/s)* + (– theore V %3D = 33 m/s PRACTICE EXERCISES A pebble is thrown horizontally at a speed of 5.0 m/s from the top of a condominium 78.4 m high. How long does it take the pebble to reach the ground? b. How far from the base of the condominium does the pebble hit the ground? 1. a. с. What are the horizontal and vertical components of the pebble's velocity just before it hits the ground? Repeat Problem #1 but this time use 10.0 m/s as the pebble's horizontal speed. Repeat Problem #1, but this time use 156.8 m as the height of the condominium. 2. 3.
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