Phys Final Review

The speedometer on your car tells you

• average velocity
• instantaneous velocity
• average speed
• instantaneous speed

What is this graph representing?

• Constant Speed
• Acceleration (speeding up)
• Deceleration (slowing down)
• No motion

Tags

NGSS.MS-PS3-1

In which of the following graphs (click the image) are both runners moving at the same speed (note that graph c is the bottom right graph, and graph d is the bottom left graph)? 

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.EE.B.5

What is happening in this graph from point A to B?

• The object is accelerating.
• The object is not moving.
• The object is decelerating.
• The object is moving at a constant speed.

Tags

NGSS.MS-PS3-1

What does this graph represent?

• Constant speed
• Acceleration
• Not moving

Tags

CCSS.8.EE.B.5

A measurement of how fast an object is moving

• Velocity
• Speed
• Vector
• Acceleration

Tags

NGSS.MS-PS3-1

A description of the speed and direction of an object's motion

• Velocity
• Speed
• Acceleration
• Vector

Tags

CCSS.HSN.VM.A.1

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.MS-PS2-2

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.

• 30 m/s
• 24 m/s²
• 9 m/s²
• 81 km/hr

Tags

NGSS.HS-PS2-1

A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?

• -7.5 m/s
• -7.5 m/s²
• -0.5 m/s²
• 7.5 mi//hr

Tags

NGSS.MS-PS2-2