Acceleration Question Preview (ID: 57415)


Acceleration Practice Problems. TEACHERS: click here for quick copy question ID numbers.

Flash goes from -150 m/s to +150 m/s in a time of 20 s. What was its acceleration?
a) -10 m/s2
b) -23 m/s2
c) +15 m/s2
d) +16.5 m/s2

An asteroid goes from +25 m/s to -350 m/s in a time of 40 s. What was its acceleration?
a) -8.13 m/s2
b) -23 m/s2
c) +15 m/s2
d) +16.5 m/s2

Acceleration is defined as the CHANGE in
a) time it takes for one place to move to another place.
b) distance divided by the time interval
c) velocity divided by the time interval
d) velocity of an object.

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a) 5.7m/s2
b) 2.2m/s2
c) 70m/s2
d) 7.0m/s2

A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?
a) -7.5 m/s
b) -0.5 m/s2
c) 7.5 mi/hr
d) -7.5 m/s2

A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
a) 24 m/s2
b) 16 m/s2
c) 16 m/s
d) 18 m/s2

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.
a) 30 m/s
b) 9 m/s2
c) 81 km/hr
d) 24 m/s2

A ball of clay is thrown at a wall at a velocity of 28.0 m/s. After it hits the wall, it takes 0.020 s to stop. What is the acceleration of the clay when it hits the wall?
a) 1400 m/s2
b) 0.56 m/s2
c) -1400 m/s2
d) -0.56 m/s2

A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a) 750 seconds
b) 0.3 seconds
c) 35 seconds
d) 3.3 seconds

A pitcher requires about 0.1 second to throw a baseball. If the ball leaves his hand with a speed of 40 m/s, what is its acceleration?
a) 40 m/s/s
b) 0.1 s
c) 400 m/s
d) 400 m/s/s

What is the correct unit for acceleration?
a) m/s
b) m/s2
c) mph
d) km/s

A bike starts from rest (0 m/s) with an acceleration of +2m/s2. What will its velocity be after 5s?
a) +2 m/s
b) + 10 m/s
c) -4 m/s
d) -10 m/s

A skateboard starts from rest (0 m/s) and accelerates at -2m/s2. What will its velocity be after 6s?
a) + 12 m/s
b) +8 m/s
c) -4 m/s
d) -12 m/s

An helicopter goes from +15 m/s to -45 m/s in a time of 25 s. What was its acceleration?
a) -12.78 m/s2
b) -2.4 m/s2
c) +15 m/s2
d) +16.5 m/s2

An boulder goes from -15 m/s to -145 m/s in a time of 25 s. What was its acceleration?
a) -5.2 m/s2
b) -2.4 m/s2
c) +16.5 m/s2
d) +15 m/s2

Acceleration is the rate at which _______ changes
a) speed
b) velocity
c) direction
d) Earth

True or False? If a car is slowing down it is accelerating.
a) True
b) False
c)
d)

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