Kinematics Review

A person already walking at 1 m/s takes 2 seconds to reach a top speed of 5 m/s. What is their acceleration?

• 1 m/s^2

• 2 m/s^2

• 4 m/s^2

• 6 m/s^2

Tags

NGSS.MS-PS2-2

What is this distance vs time graph representing?

• Constant Speed

• Acceleration

• Deceleration (negative acceleration)

• No motion

Tags

NGSS.MS-PS3-1

In the velocity time graph shown, what does the section of the graph below the time axis refer to?

• Object travelling downward

• Object traveling in the opposite direction to initial motion

• Object traveling upward

Tags

NGSS.MS-PS3-1

What motion is represented by the speed-time graph?

• Travelling at constant speed, then decelerating.

• Accelerating, then decelerating.

• Accelerating, then travelling at constant speed.

• Traveling at constant speed, then stopping

Tags

NGSS.MS-PS3-1

The height of an individual step on a staircase is closest to

• 2.0 m

• 2.0 cm

• 20 cm

• 20 mm

In this distance vs time graph what is happening at D?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Slower steady speed; moving away from the starting position

Tags

NGSS.MS-PS3-1

In this distance vs time graph what is happening at E?

• Stationary
• Accelerating
• Fast steady speed; moving away from the starting position
• Steady speed; returning to start position

Tags

NGSS.MS-PS3-1

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Tags

NGSS.HS-PS2-1

Calculate the speed of a sprinter who ran 200 meters in 20 seconds.

• 10 m/s

• 20 m/s

• 0.1 m/s

• 220 m/s

This distance vs time graph shows an object that is

• Moving at a constant speed

• Slowing down (decelerating)

• Speeding up (accelerating)

• Standing still

Tags

NGSS.MS-PS3-1