8.6AB (6.8ABC) Review

A marble is given potential energy by being placed at Location W. When the marble is released, it rolls down the track.

At which location does the marble have maximum kinetic energy?

• Location W

• Location X

• Location Y

• Location Z

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A block is pulled 0.90 m to the right in 2.5 s.

What is the block’s average speed to the nearest hundredth of a m/s?

• 36 m/s

• 0.36 m/s

• 0.036 m/s

• 036 m/s

Tags

NGSS.MS-PS3-1

A bike racer travels 17 mi/hr in a southerly direction. This is an example of...

• Distance

• Speed

• Velocity

• Acceleration

At which point will the skater have the least potential energy?

• Point A
• Point B
• Point C
• Point A and C

Tags

NGSS.MS-PS3-2

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

What is the formula to calculate speed?

• Speed = time/distance
• Speed = distance/time
• Speed = distance x time
• Speed = time x distance

What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

Tags

CCSS.HSF.LE.B.5

When a car goes around a corner at 20 mph, why do we say it  accelerates?

• The car is accelerating because of the velocity is constant
• The car accelerates because it's going 20 mph
• Cars always accelerate when they are in motion
• The car is accelerating because it's changing direction

• Object not moving
• Object accelerating
• Object slowing down
• Object at a constant speed

Tags

NGSS.MS-PS2-2

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.MS-PS2-2