Acceleration

Front

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

Back

Its direction changes

Front

In each of the following cases, determine where the car has no acceleration?

• A car speeds up after a stoplight turns green.
• A car slows down as it approaches a red light.
• A car with the cruise control set at 80 km/h going down a straight highway.
• A car turning a curve at a constant speed.

Back

A car with the cruise control set at 80 km/h going down a straight highway.

Front

The SI unit for acceleration is

Back

m/s²

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 box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

Back

9 m/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

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

The equation for acceleration is...

Back