A ball is thrown straight up with a speed of 20 m/s. How long does it take to return to its starting point? Take the g = 10 m/s^2 * O 7s O 14.7 s O 4 s O 11 s

College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter2: Kinematics
Section: Chapter Questions
Problem 4CQ: A student writes, "A bird that is diving for prey has a speed of -10 m / s." What is wrong with the...
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A ball is thrown straight up with a
speed of 20 m/s. How long does it
take to return to its starting point?
Take the g = 10 m/s^2 *
O 7s
O 14.7 s
O 4 s
11 s
This is a required question
A car starting from rest moves with constant acceleration of 2.0 m/s2 for 10 s, then travels wi
constant speed for another 10 s, and then finally slows to a stop with constant acceleration of
-2.0 m/s2. How far does it travel?
200 m
Transcribed Image Text:0182% DI 10:50 docs.google.com/forms 93 A ball is thrown straight up with a speed of 20 m/s. How long does it take to return to its starting point? Take the g = 10 m/s^2 * O 7s O 14.7 s O 4 s 11 s This is a required question A car starting from rest moves with constant acceleration of 2.0 m/s2 for 10 s, then travels wi constant speed for another 10 s, and then finally slows to a stop with constant acceleration of -2.0 m/s2. How far does it travel? 200 m
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