Speed, Velocity, and Acceleration Review

Which of the following calculations BEST represents velocity?

• 1 m/s²

• 20 m/s

• 5 m/s east

• 10 meters

Ethan and Tarick traveled during the holidays to visit their families. The distance and driving time are shown in the graph. Which conclusion can be made from the graph?

• They stopped often along the way.

• They traveld at a fairly constant velocity.

• There were different drivers at different times.

• They were driving slowly at first and then increased their velocity every hour.

Tags

NGSS.MS-PS3-1

Genesis took her first skydiving lessons. Her acceleration after 4 seconds is listed in the table.

• It is constant for all 4 seconds

• It decreases over time.

• It increases every second.

• It is not related to acceleration.

Tags

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A sound wave travels 200 meters in 5 seconds in a certain medium. Use the formula for speed to determine how fast the wave travels.

• It's speed is 5 m/s.

• It's speed is 40 m/s.

• It's speed is 10 m/s.

• It's speed is 200 m/s.

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What is the SI base unit for acceleration?

• m/s

• m/s²

• m

• s

Which of the following BEST describes the difference between speed and velocity?

• Velocity includes distance and direction while speed includes only distance.

• Speed includes distance and directin while velocity includes only distance.

• Speed includes distance and direction while velocity only includes direction.

• Velocity includes distance and direction while speed includes only direction.

Sound travels at a speed of 330 m/s. If Najwah hears an ambulance siren 165 meters away, how long willit take for the sound to travel from the siren to her ear?

• 2 seconds

• 5 seconds

• 20 seconds

• 0.5 seconds

A jet ski leaves the docking ramp and travels west reaching a velocity of 6 m/s after only 3 seconds. What is the jet ski's acceleration?

• 0.5 m/s²

• 6 m/s²

• 18 m/s²

• 2 m/s²

Tags

NGSS.MS-PS2-2

A race car accelerates from 65 m/hr to 100 m/hr in 0.03 hr. What is the race car's acceleration?

• 0.12 m/s²

• 16 m/s²

• 1,166 m/s²

• 1.05 m/s²

Tags

NGSS.HS-PS2-1

The graph shows a bus's journey through town. Which of the following answer choices BEST represents where the bus is accelerating?

• Point A-B

• Point O-A

• Point B-C

• Point C-D