A Cart Starts from Rest and Accelerates Uniformly at 4

question 29

Multiple Choice

A cart starts from rest and accelerates uniformly at 4.0 m/s² for 5.0 s.It next maintains the velocity it has reached for 10 s.Then it slows down at a steady rate of 2.0 m/s² for 4.0 s.What is the final speed of the car?

• A)20 m/s
• B)16 m/s
• C)12 m/s
• D)10 m/s

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