Unit 4 Review

What is the formula for velocity ?

A car traveled at an average speed of 45 mph for 5 hours. How far did he travel?

A cyclist rode at an average speed of 10 mp for 5 miles. How long was the ride?

( Convert answer to minutes)

What was the hiker's average velocity during part B of the hike?

What things are needed to give an accurate description of velocity

• distance

• direction

• time

• all of the choices

_______________ is the tendency of objections in motion to stay in motion

unless acted upon by an outsie force

• inertia

• velocity

• acceleration

• momentum

Inertia increases as an object's mass increases

• True

• False

You are playing catch when you miss a pass and a ball rolls down a hill. As the ball

starts down the hill, it velocity is 3 m/s . However, three seconds later the ball is moving

at a velocity of 21m/s. what is the average accelerations of the ball as it rolls down the hill?

A roller coasters 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?

• 24 m/s²
• 18 m/s²
• 16 m/s²
• 16 m/s

Which is an example of VELOCITY?

• A dog running at 3 m/s

• A deer sprinting at 4 m/s

• A migrating bird headed south for the winter at 3 m/s

• A person not moving at all