Multiple Choice
The speed of a 2.0-kg object changes from 30 m/s to 40 m/s during a 5.0-s time interval. During this same time interval, the velocity of the object changes its direction by 90°. What is the magnitude of the average total force acting on the object during this time interval?
A) 30 N
B) 20 N
C) 40 N
D) 50 N
E) 6.0 N
Correct Answer:

Verified
Correct Answer:
Verified
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