The Speed of a 2 $\degree$ What Is the Magnitude of the Average Total Force Acting

question 25

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 $\degree$ .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

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