An object of mass 0.69 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 15.5 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.) N

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 77AP: (a) Find an equation to determine the magnitude of the net force required to stop a car of mass m,...
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An object of mass 0.69 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 15.5 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.)
N
Transcribed Image Text:An object of mass 0.69 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a speed of 15.5 m/s. Find the magnitude (in N) of the average force acting on the object during the 2.9 ms time interval. (Enter a number.) N
Expert Solution
Step 1

Given data.

m=0.69 Kg

Vi=0

t=2.9mili sec

Vf=15.5 m/s

Recall 

   vf=Vi+at

a=(Vf-Vi)/t

 =Vf/t

 

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