The velocity of a car can be described as going north at 20 meters per ________.

• second

• mile

• hour

______________ is the length between starting and ending points.

• Motion

• Distance

• Speed

• Frame of reference

_____________ is a change in speed, a change in direction, or both.

• Acceleration

• Velocity

• Time

Increasing speed is ____________.

• acceleration

• deceleration

Acceleration= change in speed divided by time. If an object goes from 0 to 10 m/s for 5 seconds, what is its acceleration?

• 2 m/s per second

• 10 m/s/s

• 50 m/s/s

• 10 m/s^2

Two cars traveling in different directions at the same speed have the same velocities.

• True

• False

____________ is defined as the rate an object is moving.

• Speed

• Velocity

• Acceleration

Which of the following is a possible velocity of a train?

• moving south

• traveling south at 20 meters per second

• traveling at 20 meters per second

• traveling south and slowing down

A(n) __________ is a position that is already known. Its position can be used to describe the position of another object.

• frame of reference

• acceleration

• velocity

• speed

speed=

• distance divided by time

• time divided by distance

• distance x time