ForceAndAcceleration Practice Problems

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	Make sure to enter your answers in the specified units .

1

A force of newtons accelerates an object from rest to m/s in seconds. What is the mass of the object (in kilograms)?

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2

A 4.7 kilogram mass moving in a straight line at m/s is acted on by a force of newtons in the direction of its motion. Calculate the final speed of the object after seconds.

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3

What force is required to change the speed of a 2.0 kilogram mass from m/s to m/s if it acts for seconds? The answer should be in newtons.

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Once you have submitted your answers for grading by clicking the grade button, you cannot resubmit answers for the same Problem Set--you must use the 'New Problems' button first.

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