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- 1. Fill in the Blank
While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the car's acceleration? ________ m/s/s
Acceleration = final velocity - initial velocity / time.
*Remember a negative value = slowing down* - 2. Fill in the Blank
A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s in a period of 4.5 seconds. What is the acceleration of the dragster?
______ m/s/s
Acceleration = final velocity - initial velocity / time.
*Remember a negative value = slowing down*
- 3. Fill in the Blank
A ball starting from rest rolls down a hill. After 10 seconds it's speed is 15 m/s. What is the acceleration of the ball?
________ m/s
Acceleration = final velocity - initial velocity / time.
- 4. Fill in the Blank
A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop if it decelerates at -4.0 m/s/s?
_______ seconds
Time = final velocity - initial velocity / acceleration.
- 5. Fill in the Blank
If a car can go from 0 to 60 in in 8.0 seconds, what would it's final speed be after 5.0 seconds if its starting speed were 50 mi/hr.
1st step: Acceleration = final velocity - initial velocity / time
2nd step: Final Velocity = initial velocity + (acceleration x time)
- 6. Fill in the Blank
A cart rolling down an incline for 5 seconds has an acceleration of 4.0 m/s2. If the cart has a beginning speed of 2.0 m/s, what is the final speed
________ m/s
Final velocity = initial velocity + (acceleration x time)
- 7. Fill in the Blank
A helicopter's speed increases from 25 m/s to 60 m/s in 5 seconds. What is the acceleration of this helicopter?
_______ m/s/s
acceleration = Final velocity - initial velocity / Time
- 8. Fill in the Blank
As she climbs a hill, a cyclist slows down from 25 mi/hr to 6 mi/hr in 10 seconds. What is her deceleration. (Remember deceleration is simply negative acceleration.)
________ mi/hr
Acceleration = final velocity - initial velocity / time
- 9. Fill in the Blank
A motorcycle traveling at 25 m/s accelerates at a rate of 7 m/s/s for 6 seconds. What is the final speed of the motorcyle? __________m/s
Final speed = initial velocity + (Acceleration x time)
- 10. Fill in the Blank
A car starting from rest accelerates at a rate of 8.0 m/s/s. What is its final speed a the end of 4 seconds?
________m/s
Final Speed = initial velocity + (Acceleration x Time)
- 11. Fill in the Blank
After traveling for 6.0 seconds, a runner reaches a speed of 10 m/s. What is the runner's acceleration?
_____ m/s/s
Acceleration = final velocity - initial velocity / time
- 12. Fill in the Blank
A cyclist accelerates at a rate of 7.0 m/s/s. How long will it take the cyclist to reach a speed of 18 m/s? ______ seconds
time = final velocity - initial velocity / acceleration
- 13. Fill in the Blank
A skateboarder traveling at 7.0 m/s rolls to a stop at the top of a ramp in 3.0 seconds. What is the skaters acceleration?
_______ m/s/s
**Remember slowing down shows a NEGATIVE acceleration**
Acceleration = final velocity - initial velocity / time
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