Unit 1 Module 2 "Motion" Study Guide

Front

The direction and speed of an object is described by its ____________.

Back

velocity

Front

_______________ is the speed of an object at any instant of time.

Back

instantaneous speed

Front

The distance between an object and a reference point is the object's ______________.

Back

position

Front

What is the equation for momentum?

Back

p=mv

Front

Earth's ________ causes projectiles to follow a curved path.

Back

gravity

Front

How is average speed calculated?

Back

dividing total distance traveled by the total time

Front

Why do projectiles move in a curved path?

Back

They have constant horizontal velocity and vertical acceleration.

Front

If an object has a constant velocity, then it _____________.

Back

has an acceleration of zero

Front

A change in velocity means a change in __________.

Back

speed, direction, or both

Front

What is the total distance traveled if you walk 0.5 km to a friend's house and then travel by car 10 km to the mall?

Back

11 km