t Vf - vi Acceleration Problem Set Name: ______________________

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Presentation transcript:

t Vf - vi Acceleration Problem Set Name: ______________________ a = vf – vi t a = Vf or VB= Vi or VA = t = The unit for acceleration depends on the units for velocity and time. For all questions, show your work, and round final answers to the tenths place. Vf - vi a t A skater increases her speed from 2 m/s to 10 m/s in 3 seconds. What is her acceleration? A car accelerates at a rate of 3 m/s2. If its initial speed is 8 m/s, how many seconds will it take for the car to reach a final speed of 25 m/s? When driving on the highway, you slow from 24 m/s to 15 m/s in 12 s. What is your acceleration?

4. A cart rolling down a hill for 5 s has an acceleration of 4 m/s 4. A cart rolling down a hill for 5 s has an acceleration of 4 m/s. If the car had an initial speed of 0 m/s, what was its final speed? 5. A helicopter’s velocity increases from 35 m/s east to 60 m/s east in 5 seconds. What is its acceleration? 6. A car starting from rest accelerates at a rate of 8 m/s. What is its final speed after 4 s? 7. After traveling for 6 s, a runner reaches a speed of 10 m/s. He started at rest. What is his acceleration? 8. A skater traveling at 7 m/s rolls to a stop at the top of a ramp in 3 s. What is the skater’s acceleration?