Acceleration

Front

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

Back

Its direction changes

Front

Does acceleration only occur when things speed up?

Back

False

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

Which of the following is a unit for acceleration? Options: km/s, m/s², mi/hr, ft

Back

m/s²

Front

How can acceleration be zero?

Back

car has constant speed and is traveling on a straight path

Front

What is velocity?

Back

speed in a specific direction

Front

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

Back

18 m/sec

Front

A value that only has magnitude (a number)

Back

Scalar

Front

Which of the following is a vector? Mass, Time, Speed, Velocity

Back

Velocity

Front

A correct measure of velocity would be: 300 m/hr, 7,800 m/sec, 40 kn/hr north

Back

40 kn/hr north