Physics Midterm Exam Review

Front

An object travels 100 m North then 50 m South. What total distance did it travel?

Back

150 m

Front

An object travels 100 m North then 50 m South. What is its total displacement?

Back

50 m North

Front

A runner runs 2 laps around a track with a circumference of 400 m. What is their total displacement?

Back

0

Front

Speed and Velocity are the same because both describe how fast an object is moving. They are different because Velocity also includes, ___.

Back

direction

Front

Mary was interested in finding the _______. She took the initial velocity plus the final velocity and divided by two.

Back

Average velocity

Front

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

Back

m/s²

Front

Why does a car accelerate when going around a corner at 20 mph?

Back

The car is accelerating because it's changing direction

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

A girl drops a 7 gram bowling ball and a 1 gram rock from a cliff. Which will hit the ground first?

Back

Ignoring air resistance, both will hit at the same time.