speed and acceleration end of week quiz

How tall is a stop sign _______

• Varies by region, typically around 7 meters

• 1 meter

• 2 meters

• 3 meters

Another name for negative acceleration is ______ _____

• slowing down

• Acceleration

• Velocity

• Momentum

A common unit for speed is __________

• Meters per second (m/s)

• Kilograms (kg)

• Liters (L)

• Celsius (°C)

____________ is the distance an object travels per time.

• Speed

• Velocity

• Acceleration

• Force

What would 12 m/s/hr mean?

• Every hour you go 12 meters per second faster

• every second you go 12 meters/hour faster

• you go 12 meters in a second in an hour

• every 12 meters you get faster

Tags

NGSS.MS-PS3-1

Is 25m/s/week a fast running time?

• Yes, it is fast.

• No, it is not fast.

• It depends on the context.

• Cannot be determined.

Tags

NGSS.MS-PS3-1

Is 25m/s/week a fast acceleration?

• Yes, it is a fast acceleration.

• No, it is not a fast acceleration.

• It depends on the context.

• Cannot be determined.

Can you accelerate and keep the same speed? How?

• Yes, by changing direction.

• No, acceleration always changes speed.

• Yes, by maintaining a constant velocity.

• No, acceleration and speed are unrelated.

A sprinter can run 120m in 11 sec. What is the speed of the runner?

• 10.91 m/s

• 11.5 m/s

• 12 m/s

• 13 m/s

Tags

NGSS.MS-PS3-1

Sound travels at a speed of 330 m/s. How far does it travel in 8 seconds?

• 2640 meters

• 3300 meters

• 2400 meters

• 3000 meters

Tags

NGSS.MS-PS3-1