Acceleration

Front

Does acceleration only occur when things speed up?

Back

False

Front

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

Back

5.7m/s²

Front

A roller coaster accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?

Back

16 m/s²

Front

Why does a car accelerate as it rounds a corner at a constant speed?

Back

Its direction changes

Front

The equation for acceleration is...

Back

Front

The SI unit for acceleration is

Back

m/s²

Front

Determine where the car has no acceleration: A car shortly after a stoplight turns green, A car approaching a red light, A car with the cruise control set at 80 km/h, A car turning a curve at a constant speed.

Back

A car with the cruise control set at 80 km/h

Front

A negative acceleration means that your object is _____.

Back

slowing down

Front

A positive acceleration means that your object is _____.

Back

speeding up

Front

A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?

Back

40 m/s²