Speed and Velocity Practice Problem

Speed and Acceleration Practice Problem

Multiple Choice

A girl travels 20 miles on her bicycle. The trip takes 2 hours. Express her speed in miles/hr. Answer should have 1 significant figure!

• 0.1 mi/hr

• 10 mi/hr

• 40 mi/hr

• 20 mi/hr

Multiple Choice

What is the speed of a rocket that travels 9.000 x10³ meters in 12.12 seconds? Answer should have four significant figures!

• 742 m/s

• 1.09 x 10⁵ m/s

• 742.6 m/s

• 109,080 m/s

Multiple Choice

How many seconds will it take for a satellite to travel 450,000 m at a rate of 120 m/s? Answer should have two significant figures!

• 3,750 s

• 5.4 x 10⁷ s

• 3.8 x 10³ s

Multiple Choice

How far (in meters) will you travel in 3 minutes running at a rate of 6 m/s?

• 7000 m

• 1,080 m

• 1,700 m

• 18 m

Acceleration Practice Problem

• A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec. What was the acceleration of the ball ? 

Multiple Choice

A ball rolls down a ramp for 15 seconds. If the initial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec. What was the acceleration of the ball ?

• 0.413 m/s²

• 0.373 m/s²

• 1.373 m/s²

Acceleration Practice Problem

• A ball is rolled at a velocity of 12 m/sec. After 36 seconds, it comes to a stop. What is the acceleration of the ball?