A rock is released from rest from the top of a very high cliff, and accelerates dovnward at acceleration due to gravity, g. How far does the rock travel (in m) in the first seconds of its ree-fal

College Physics
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ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
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Chapter2: Kinematics
Section: Chapter Questions
Problem 28PE: A powerful motorcycle can accelerate from rest to 26.8 m/s (100 km/h) in only 3.90 s. (a) What is...
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A rock is released from rest from the top of a very high cliff, and accelerates dovnward at acceleration due to gravity, g. How far does the rock travel (in m) in the first seconds of its ree-fall?

A rock is released from rest from the top of a very high cliff, and accelerates downward at acceleration due to gravity, g. How far does the rock travel (in m) in the first 7 seconds of its
free-fall?
O a. 35
Ob. 490
OC 245
Od. 180
O e. 70
Transcribed Image Text:A rock is released from rest from the top of a very high cliff, and accelerates downward at acceleration due to gravity, g. How far does the rock travel (in m) in the first 7 seconds of its free-fall? O a. 35 Ob. 490 OC 245 Od. 180 O e. 70
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