Final Exam Review

Kendra is walking home and her house is 200 m away. It takes her 20 seconds to get home. What was her speed?

• 400 m/s

• 200 m/s

• 25 m/s

• 10 m/s

Mike is running at a pace of 8 m/s for 8 seconds. What distance did he cover in 8 seconds?

• 64 m

• 1 m

• 8 m

• 24 m

Velocity is ...

• Same as force

• Same acceleration

• speed with a direction

• same as force

Tags

NGSS.MS-PS3-1

The distance traveled by an object per unit time is called

• acceleration

• gravity

• force

• speed

Tags

NGSS.MS-PS3-1

An object travels 15 meters in the first second of travel, 15 m in its second second, and 15m in the third second. Its acceleration is...

• 45m/s²
• 30m/s²
• 15m/s²
• 0m/s²

If a freely falling object were somehow equipped with a speedometer, its speed reading would increase each second by

• 5m/s
• a variable amount
• about 10m/s
• about 15 m/s

Tags

NGSS.MS-PS2-4

If you drop a feather and a coin at the same time in a vacuum tube, which will reach the bottom of the tube first?

• the coin
• the feather
• neither, they will both hit at the same time
• it depends on the lentgh of the tube

Tags

NGSS.MS-PS2-4

A freely falling object starts from rest, after falling for 15s it will have a speed of about...

• 750m/s
• 15m/s
• 150m/s
• 75m/s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Acceleration is

• the rate at which velocity changes.

• the change in velocity

• the rate of change

• when you speed up only

What is the unit to MEASURE force?

• Kilogram

• Meter

• Pounds

• Newton