Speed, Velocity and Acceleration

What is your average speed if you take 0.5 h to jog 4,000 m?

• 8000 m/h
• 2000 m/h
• 0.000125 m/h
• 800 m/h

If the average speed of a car is 110 km/h, how long will it take the car to travel 715 km?

• 6 h
• 6.5 km/h
• 6.5 h

if you ride your bicycle at a constant speed, you cannot accelerate.

• TRUE
• FALSE

Tags

NGSS.HS-PS2-1

You are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.

• Acceleration occurred because speed increased.
• Acceleration occurred because speed decreased.
• Acceleration occurred because you changed directions.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Which of the following is NOT an example of acceleration?

• a person jogging at 3 m/s along a winding path
• a car stopping at a stop sign
• a cheetah running 27 m/s east
• a plane taking off

Which of the following is a measurement of velocity?

• 16 m east
• 25 m/s2
• 55 m/h south
• 60 km/h

Shona cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s2
• 7m/s2
• 14m/s2
• none of the above

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

• 750 seconds
• 35 seconds
• 0.3 seconds
• 3.3 seconds

Tags

NGSS.HS-PS2-1

This graph demonstrates an object that is -

• Increasing speed
• At a constant speed
• Decreasing speed
• Stationary

Tags

NGSS.MS-PS3-1