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Unit 2C Review

Total questions: 20

Worksheet time: 22mins

Name
Class
Date
1.

What is the acceleration of the object at point P?

a)

0 m/s2

b)

10 m/s2 up

c)

10 m/s2 down

d)

Not enough information

2.

What is the acceleration of the object at point Q?

a)

0 m/s2

b)

10 m/s2 up

c)

10 m/s2 down

d)

Not enough information

3.

At which point is the horizontal component of the velocity greater?

a)

P

b)

Q

c)

They are the same

d)

Not enough information

4.

At which point is the vertical component of the velocity greater?

a)

P

b)

Q

c)

They are the same

d)

Not enough information

5.

If I drop a ball at the exact same time as I throw a ball horizontally from the same height, which will hit the ground first?

a)

Dropped ball

b)

Thrown ball

c)

They hit at the same time

6.

If I throw a ball straight up at the exact same time as I throw a ball horizontally from the same starting height, which will hit the ground first?

a)

Straight up ball

b)

Horizontal ball

c)

They hit at the same time

7.

If I throw a ball straight down at the exact same time as I throw a ball horizontally from the same starting height, which will hit the ground first?

a)

Straight down ball

b)

Horizontal ball

c)

They hit at the same time

8.

An airplane moves faster with a tailwind (wind pushing from behind). It would also move faster with a crosswind (wind pushing from the side). Which wind would increase the plane's speed more?

a)

Tailwind

b)

Crosswind

c)

They are the same

9.

You are driving 50 mph in your car when you go over a rough bump. That bump causes the fuzzy dice hanging from your mirror to fall off. Where will they land? (Hint: Rule 2)

a)

Directly underneath the starting point

b)

Slightly ahead of the starting point

c)

Slightly behind the starting point

d)

On the ground behind the car (after breaking through the rear window)

10.

As you run across the floor to the north at 5 m/s, your "friend" pulls the rug out from beneath you at 12 m/s to the east. To your friend, how fast are you moving?

a)

17 m/s

b)

7 m/s

c)

5 m/s

d)

13 m/s

11.

True/False:

The mass of an object affects the path a projectile takes (no air resistance)

a)

True

b)

False

12.

What would you have to change in order to affect the amount of time a projectile is in the air? (Select all that apply)

a)

The initial horizontal velocity

b)

The initial vertical velocity

c)

The starting height

d)

The pull of gravity on Earth

13.

A lost child wishes to find her parents in the mall. She walks 12 m N, then 16 m E, then 4 m S, then 2 m E. What is the total distance she traveled? (Round to the nearest whole number)

a)

26 m

b)

20 m

c)

10 m

d)

34 m

14.

A lost child wishes to find her parents in the mall. She walks 12 m N, then 16 m E, then 4 m S, then 2 m E. What her total displacement? (Round to the nearest whole number)

a)

26 m

b)

20 m

c)

10 m

d)

34 m

15.

A lost child wishes to find her parents in the mall. She walks 12 m N, then 16 m E, then 4 m S, then 2 m E. Which direction is her total displacement?

a)

NE

b)

NW

c)

SE

d)

SW

16.

A box falls off the edge of a conveyor belt moving at 2 m/s. It hits the ground 0.8 s later. How far along the ground did it land?

a)

2 m

b)

3.2 m

c)

1.6 m

d)

4.6 m

17.

A box falls off the edge of a conveyor belt moving at 2 m/s. It hits the ground 0.8 s later. How high up is the conveyor belt?

a)

2 m

b)

3.2 m

c)

1.6 m

d)

4.6 m

18.

Wile E. Coyote runs over the edge of a cliff while chasing the Roadrunner. If he obeys the laws of physics this time, and he lands 110 m horizontally away from the edge of a cliff 230 m tall, how fast was he running? (Round to the nearest whole number)

a)

9 m/s

b)

21 m/s

c)

5 m/s

d)

16 m/s

19.

An eagle is carrying its recent kill back to the nest. It loses its grip and the animal begins to fall. The eagle is flying at 12 m/s horizontally, and it takes 17.5 s to hit the ground. How high is the eagle flying? (Round to the nearest whole number)

a)

175 m

b)

1531 m

c)

1242 m

d)

210 m

20.

An eagle is carrying its recent kill back to the nest. It loses its grip and the animal begins to fall. The eagle is flying at 12 m/s horizontally, and it takes 17.5 s to hit the ground. How far along the ground is it from the drop point? (Round to the nearest whole number)

a)

175 m

b)

1531 m

c)

1242 m

d)

210 m