Free Printable Final Exam Review Pt3

1.

A horizontally-launched projectile arcs out and hits the ground below. The vertical displacement and the horizontal displacement are measured. What is the best equation to use to find the time the projectile was in the air?

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

2.

In the diagram, which letter represents the vertical displacement $\overrightarrow{d}_y$ ?

a)

A

b)

B

c)

C

d)

D

3.

In the diagram, which letter represents the horizontal displacement $\overrightarrow{d}_x$ ?

a)

A

b)

B

c)

C

d)

D

4.

A ball rolls off a table top and strikes the floor as shown. Given the measurements made, the time the projectile spent in the air is ---.

a)

17 s

b)

0.34 s

c)

0.58 s

d)

0.49 s

5.

A ball rolls off a table and strikes the floor, as shown. If the time the ball spent in the air was 0.58 s, how fast did the ball leave the table?

a)

3.6 m/s

b)

1.2 m/s

c)

2.9 m/s

d)

0.99 m/s

6.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?

a)

1.3 s

b)

0.79 s

c)

38.5 s

d)

0.70 s

e)

Not enough information given.

7.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder spent 0.79 s in the air, how far above the river is the edge of the bridge?

a)

5.5 m

b)

0.70 m

c)

1.3 m

d)

3.1 m

e)

Not enough information given.

8.

In the picture, cannonball A was launched at 10 m/s at 60°, and B was launched at 18 m/s at 25°. The cannonball that hit the ground first was

a)

A, because it had less total velocity.

b)

B, because it had more total velocity.

c)

A, because it had less initial vertical velocity.

d)

B, because it had less initial vertical velocity.

9.

Pablo Sandoval throws a baseball with a horizontal component of velocity of 25 m/s. After 2 seconds, the ball is 40 m above the release point. What is the

horizontal distance it has traveled in this time? What equation do you use to solve for this problem?

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

10.

A bird is flying horizontally at the speed of 3m/s when suddenly falls, from a height of 600 meters. What is the horizontal distance the bird will travel after 5 seconds (in meters, neglect air resistance, g = 9.8m/s2). What equation do you use to solve for this problem?

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

11.

The Royal Gorge Bridge in Colorado rises 321 m above the Arkansas River. Suppose you kick a rock horizontally on the bridge. The magnitude of the rock's horizontal displacement is 45.0 m. Find the speed at which the rock was kicked.What equation do you use to solve for this problem? **you might need two for the final answer**

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

12.

A student standing on the roof of a 50.0-meter-high building kicks a stone at a horizontal speed of 4.00 meters per second. How much time is required for the stone to reach the level ground below?

a)

5.10 s

b)

2.10 s

c)

3.19 s

d)

12.5 s

13.

A student standing on the roof of a 50.0-meter-high building kicks a stone at a horizontal speed of 4.00 meters per second. How much time is required for the stone to reach the level ground below? What equation do you use to solve this problem?

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

14.

A diver in Hawaii is jumping off a cliff 45 m high, but she notices that there is an outcropping of rocks 7 m out at the base. So, she must clear a horizontal distance of 7 m during the dive in order to avoid the rocks. Assuming the diver jumps horizontally, what is her minimum push-off speed?

a)

2.3 m/s

b)

3.1 m/s

c)

5.7 m/s

d)

7.1 m/s

15.

A diver in Hawaii is jumping off a cliff 45 m high, but she notices that there is an outcropping of rocks 7 m out at the base. So, she must clear a horizontal distance of 7 m during the dive in order to avoid the rocks. Assuming the diver jumps horizontally, what is her minimum push-off speed? What is the equation you need to solve this problem? **you need more than one equation**

a)

$Vix\ =\ x\div time$

b)

$Y\ =\ \frac{1}{2}g\ \times\ t^2$

c)

$X\ =\ Vix\ \times\ Time$

d)

$t=\sqrt{\frac{y}{\frac{1}{2}g}}$

16.

In the diagram, which letter represents the vertical displacement $\overrightarrow{d}_y$ ?

a)

A

b)

B

c)

C

d)

D

17.

In the diagram, which letter represents the horizontal displacement $\overrightarrow{d}_x$ ?

a)

A

b)

B

c)

C

d)

D

18.

A ball rolls off a table top and strikes the floor as shown. Given the measurements made, the time the projectile spent in the air is ---.

a)

17 s

b)

0.34 s

c)

0.58 s

d)

0.49 s

19.

A ball rolls off a table and strikes the floor, as shown. If the time the ball spent in the air was 0.58 s, how fast did the ball leave the table?

a)

3.6 m/s

b)

1.2 m/s

c)

2.9 m/s

d)

0.99 m/s

20.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder was originally moving at 7.0 m/s, how much time did the skateboarder spend in the air?

a)

1.3 s

b)

0.79 s

c)

38.5 s

d)

0.70 s

e)

Not enough information given.

21.

A skateboarder rolls off a bridge into the river as shown. If the skateboarder spent 0.79 s in the air, how far above the river is the edge of the bridge?

a)

5.5 m

b)

0.70 m

c)

1.3 m

d)

3.1 m

e)

Not enough information given.

22.

A student standing on the roof of a 50.0-meter-high building kicks a stone at a horizontal speed of 4.00 meters per second. How much time is required for the stone to reach the level ground below?

a)

5.10 s

b)

2.10 s

c)

3.19 s

d)

12.5 s

23.

A diver in Hawaii is jumping off a cliff 45 m high, but she notices that there is an outcropping of rocks 7 m out at the base. So, she must clear a horizontal distance of 7 m during the dive in order to avoid the rocks. Assuming the diver jumps horizontally, what is her minimum push-off speed?

a)

2.3 m/s

b)

3.1 m/s

c)

5.7 m/s

d)

7.1 m/s

24.

For the following vector addition diagrams, use Pythagorean Theorem to determine the magnitude of the resultant.

a)

R = 7 m

b)

R = 25 m

c)

R = 5 m

d)

R = 2.5 m

25.

Dexter walked 60 meters at a direction of 135° and then walked 20 meters at a direction of 45°. Use the Pythagorean theorem to determine the magnitude of the resultant displacement.

a)

R = 142.3 m

b)

R = 4000 m

c)

R = 80 m

d)

R = 63.2 m

26.

Which is the Resultant? (Hint: The Resultant starts at the tail of the 1st vector and end at the head of the last vector)

a)

A

b)

B

c)

C

27.

Pepe walks 10m east and then walks 12m North to sharpen his pencil. What is the magnitude of the resultant.

a)

R = 22 m

b)

R = 15.6 m

c)

R = 7.8 m

d)

R = 13.9 m

28.

Brian runs 12 km West and then Runs 9 Km South to get to the store. What is the magnitude of the resulting displacement?

a)

R = 8 km

b)

R = 17 km

c)

R = 15 km

d)

R = 14 km

29.

Hanna walks 7m east and 12m south to give Jerry his phone. What is the magnitude of the resulting displacement?

a)

R = 9.5 m

b)

R = 13.9 m

c)

R = 15.1 m

d)

R = 19 m

30.

Find the Resultant

a)

5

b)

18.02

c)

15.20

d)

325

31.

Find the Resultant

a)

1025

b)

45

c)

6.70

d)

32.01

32.

Find the Resultant

a)

39.05

b)

55

c)

1525

d)

7.41

33.

find the resultant

a)

34

b)

24.08

c)

5.83

d)

580

34.

Find the resultant

a)

15.62

b)

22.8

c)

244

d)

20

35.

Find the resultant

a)

12.80

b)

18

c)

164

d)

20.56

36.

Find A & B

a)

a = 19.15

b = 16.06

b)

a = 10

b = 15

c)

a = 25

b = 20

d)

a = 98

b = 25

37.

Find A & B

a)

A = 19.05

B = 11

b)

A = 18

B = 10

c)

A = 8.05

B = 8

d)

A = 9.05

B = 10

38.

Find H and the Angle

a)

H = 36.79

Angle = 42.79

b)

H = 34.79

Angle = 40.79

c)

H = 35

Angle = 42

d)

H = 42.79

Angle = 36.79

39.

Find H and the Angle

a)

H = 42.44

Angle = 46.90

b)

H = 36.79

Angle = 42.79

c)

H = 44

Angle = 41

d)

H = 34.79

Angle = 40.79

40.

Find A & B

a)

a = 19.15

b = 16.06

b)

a = 10

b = 15

c)

a = 25

b = 20

d)

a = 98

b = 25

41.

Find R and the Angle

a)

R = 16.89

Angle = 45.30

b)

R = 18.02

Angle = 33.69

c)

R = 12.02

Angle = 45.30

d)

R = 18.02

Angle = 56.30

42.

Find A & B

a)

A = 19.05

B = 11

b)

A = 18

B = 10

c)

A = 8.05

B = 8

d)

A = 9.05

B = 10

Final Exam Review Pt3

Total questions: 42

Worksheet time: 7hrs 0mins

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