# Physics Unit 1 Quiz 2

10 Questions | Attempts: 122
Share  Settings  • 1.
The SI base unit used to measure mass is the
• A.

Meter

• B.

Second

• C.

Kilogram

• D.

Liter

• 2.
Which of the following units is the SI unit of velocity?
• A.

Meter

• B.

Meter per second

• C.

Meter per second per second

• D.

Second per meter

• 3.
The graph above describes the motion of a cyclist. The graph illustrates that the acceleration of the cyclist
• A.

Is constant

• B.

Increases

• C.

Decreases

• D.

Is zero

• 4.
On a speed-time graph, a line with a negative slope indicates that the object is
• A.

Speeding up

• B.

Slowing down

• C.

Not moving

• D.

Traveling at a constant speed

• 5.
Which straight-line acceleration indicates an increase in speed?
• A.

0 m/s2

• B.

-15 m/s2

• C.

4 m/s2

• D.

All of the above

• 6.
A pitcher throws a baseball to home plate, a distance of 60.5 ft. The ball reaches home plate in 0.63 s. What is the velocity of the ball?
• A.

38 ft/s

• B.

38 ft/s toward home plate

• C.

96 ft/s

• D.

96 ft/s toward home plate

• 7.
Moving from 0 m/s to 25 m/s in 8.0 s equals an average acceleration of
• A.

0.32 m/s

• B.

0.32 m/s^2

• C.

3.1 m/s

• D.

3.1 m/s^2

• 8.
A cheetah can accelerate at up to 6.0 m/s2. How long does it take for a cheetah to speed up from 10.5 m/s to 12.2 m/s?
• A.

0.28 s

• B.

1.7 s

• C.

3.5 s

• D.

10 s

• 9.
On a distance vs. time graph, the line of an object at rest is a
• A.

Curved line with a slope of zero.

• B.

Flat line with a slope of zero.

• C.

Jagged line with a negative slope.

• D.

Curved line with a positive slope.

• 10.
The difference between speed and velocity is that velocity includes
• A.

Direction.

• B.

Distance.

• C.

Time.

• D.

Weight.

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