transfer the correct answer to the scantron sheet … 11 practice mock final examination version...

Physics 11

Practice Mock Final Examination

Version αααα

Instructions: Chose the best answer available.

Transfer the correct answer to the Scantron sheet provided.

Part I 100 Multiple Choice Questions

DO NOT WRITE IN THIS BOOKLET

1. What is the unit for Frequency

a. Hz

b. J

c. m/s

d. kgm/s

e. kgm/s2

2. What is the unit for Period?

a. s

b. Ns

c Nm

d. m/s2

e. N

3. What is the equivalent unit to N•s?

a. Hz

b. J

c. m/s

d kgm/s

e kgm/s2

4. What is the unit for Acceleration?

a. s

b. Ns

c Nm

d. N/kg

e. N

5. What is the unit for Impulse?

a. N/kg

b. Ns

c Nm

d. m/s2

e. N

6. What is the unit for Kinetic Energy?

a. Hz

b. kgm2/s

2

c. m/s

d kgm/s

e kgm/s2

7. Which of the following is an equivalent unit for kg•m/s2?

a. s

b. W

c Nm

d. m/s2

e. N

8. What is the unit for Power?

a. s

b. Nm/s2

c Nm

d. m/s2

e. C/s

9. What is the unit for Potential Energy?

a. Hz

b. Nm

c. m/s

d kgm/s

e N/m

10. What is the unit for Friction?

a. Hz

b. Nm

c. m/s

d kgm/s

e kgm/s2

11. A pendulum swings 2.15 times in 1.5 seconds. What is its period?

a 0.7 s

b 14.3 s

c 143 s

d 3600 s

e None of the above

12. A plane travels 1700 km at a velocity of 6.8×105 m/h. How long did the trip last?

a 2.5 hrs

b 2.0 hrs

c 3600 s

d 0.25 s

e All of the Above

13. Two trains 200.0 km apart are heading towards each other. If they both are traveling at 50.0 km/h.

How long before they collide?

a 9.00×103 s

b 7.2000×103 s

c 3600 s

d 0.25 s

e Not enough information to determine the answer.

14. A car accelerates uniformly from 3.5 m/s to 12.5 m/s in 4.5 s. The magnitude of the acceleration is?

a 12 m/s2

b 4.9 m/s2

c 1.0 m/s2

d 2.0 m/s2

e All of the above

15. A hockey player gliding along the ice at a velocity of 100.0 cm/s accelerates at 2.0 m/s2 for 3.0 s. His

final velocity is?

a 14 m/s

b 10 m/s

c 7 m/s

d 5.9 m/s


16. How far would a car travel in 6.0 s if its initial speed was 2.0×10-3

km/s and if it accelerated at 2.0

m/s2?

a 12.5 m

b 48 m

c 51 m

d 290 m


17. A car initially at rest travels a distance of 2.00×104 mm in 4.0 s with uniform acceleration. The

magnitude of the acceleration of the car (in m/s2) is?

a 12.5 m/s2

b 2.5 m/s2

c 1.5 m/s2

d 0.025 m/s2

e. Not enough information to determine the answer.

18. A car, stopped at a traffic light, accelerates constantly at 0.65 m/s2 after the light turns green.While

accelerating, the car travels one block and then crosses a bridge 80.0 m long. If the car takes 6.5 s to cross

the bridge, how long was the block?

a 125 m

b 48 m

c 29.4 m

d 65 m


19. A baseball is thrown into the air with a speed of 86.0 km/h. How high does it reaches?

a 2185 m

b 48 m

c 29.4 m

d 2241 m


20. How long does it take, the baseball in question 19, to return to the ground?

a 3.2 s

b 4.9 s

c 43 s

d 1.9 s


21. A boy, capable of swimming at 4.0×102 cm/s [N] in still water, is swimming in a river with a 3.0 m/s

[E] current. What is his speed relative to the bank?

a 5.00 m/s 37ο E of N

b 5.00 m/s 37ο N of E

c 5.00 m/s 37ο W of N

d 5.00 m/s 37ο N of W


22. A boy, capable of swimming at 2.1 m/s in still water, is swimming in a river with a 1.8 m/s [E]

current. At what angle must he swim in order to end up directly opposite his starting point?

a 59ο E of N

b 59ο N of E

c 59ο W of N

d 59 N of W


23. Eric walks 10.0 m due North, then he walks 20.0 m due West, he then walks another 5.00 m due

South West. Find Eric’s net displacement.

a 24 m 15ο E of N

b 0.0 m 15ο N of E

c 12 m 15ο W of N

d 24 m 15ο N of W


24. An airplane is traveling at 131.94 m/s in a direction 45.0° south of east. If the wind velocity is 45.0

km/h towards the east, what is the velocity of the plane relative to the ground?

a 208 km/h 41ο E of N

b 508 km/h 41ο S of E

c 85 km/h 41ο S of N

d 308 km/hr 41ο S of W


25. A student walks around a 3.0 km radius walkway and back to her starting place. What is the resultant

displacement?

a 24 m 15ο E of N

b 0.0 m 0ο N of E

c 12 m 0ο W of N

d 24 m 0ο N of W


26. A car travels 3.0 km North and then 4.0 km East, and 10.0 km South East what is its resultant

displacement?

a 24 m 20ο S of E

b 0.0 m 20ο N of E

c 12 m 20ο S of E

d 24 m 20ο N of W


27. An airplane whose airspeed is 190.0 km/h heads due north. If there is a wind blowing at 86 km/h

from west to east, how many degrees does the airplane travel relative to the ground?

a 24ο E of N

b 24ο N of E

c 24ο W of N

d 24ο N of W


28. A pilot wishes to travel north in an airplane with an airspeed on 3×107 cm/h. The wind is blowing

from the east at 20.0 km/h. The heading that the plane should fly is?

a 3.8ο E of N

b 3.8ο N of E

c 86.2ο W of N

d 86.2ο N of W


29. An aircraft with an airspeed of 250.0 km/h heads 19° east of north. When it encounters a wind, its

velocity relative to the ground becomes 260.0 km/h due north. What is the velocity of the wind?

a 28 km/h 15ο E of N

b 58 km/h 15ο S of E

c 85 km/h 15ο N of W

d 38 km/hr 15ο S of W


30. Which one of the following is a vector?

a Power

b Work

c Force

d Speed


31. An artillery shell is projected at 45° above the horizontal at a speed of 300.00 m/s. What is the shell’s

height after 0.4167 minutes?

a 125 m

b 48 m

c 29.4 m

d 2241 m


32. How long was the shell in the air?

a 12 s

b 4.9 s

c 43 s

d 2.0 s

e. Not enough information to determine the answer

33. How far did the shell travel horizontally?

a 2185 m

b 28 m

c 9184 m

d 22 m


34. What is the shell's impact speed?

a 225 m/s

b 299 m/s

c 212 m/s

d 112 m/s


35. A boy runs off a 25.0 m high cliff with an initial velocity of 45000.0m/h horizontally. How long

before he hits the water below?

a 2.3 s

b 4.9 s

c 43 s

d 5.2 s


36. What is his range?

a 2185 m

b 28 m

c 29.4 m

d 22 m


37. What is his impact velocity?

a 25 m/s 29ο S of E

b 0.0 m/s 0ο N of E

c 25 m/s 61ο S of E

d 25 m/s 61ο N of W


38. Which of the following is true for a projectile motion?

a The velocity in the y direction is constant

b The acceleration in the x direction is changing

c The velocity in the y direction is zero

d The velocity in the x direction is constant


39. Which of the following is true for a projectile motion?

a The acceleration in the y direction is constant

b The acceleration in the x direction is changing

c The acceleration in the y direction is zero

d The acceleration in the x direction is 9.8 m/s2


40. For a projectile the acceleration in the x direction is equal to?

a 9.8 m/s2

b -4.9 m/s2

c -9.8 m/s2

d 0.00 m/s2


41. What is the force of gravity between two 5.00 kg objects that are 1×105 µm apart?

a 1.7 × 10-7

N

b 9 × 10-7

N

c 2.2 × 10-7

N

d 2.9 × 10-7

N


42. What is the mass of m1 if m2 is 75 kg and the force of gravity between them is 450N when they are

100.00 m apart?

a 9 × 1034

kg

b 9 × 104 kg

c 9 × 1064

kg

d 9 × 1014

kg


43. At what height above the center of the earth would a 3500 kg satellite experience a gravitational force

of 900000.0 N?

a 4 × 10-7

m

b 4 × 107 m

c 6 × 108

m

d 9 × 1014

m


44. What is the period of a pendulum on the moon if it has a length of 25.00 m?

a 25 s

b 5 s

c 43 s

d 20 s


45. If we increase the length of the pendulum by a factor of 169 in question 44 What will happen to its

period?

a 2×

b 9×

c 8×

d 13×


46. A 45.0 kg block is being accelerated along a level surface. The applied force is 300.0 N and the

friction force is 300.0 N. What is the coefficient of friction between the block and the surface?

a 0.9

b 0.8

c 0.7

d 0.6


47. A 2.00 kg object, initially at rest on the ground, is accelerated vertically by a rope, as shown. The

object reaches a height of 3.00 m in 1.50 s. What is the tension in the rope during the acceleration?

a 10 kgm/s

b 15 N

c 20 N

d 25 kgm/s2


48. A student drags a 9. 0 kg carton of apples across the floor by exerting a 45 N force in the direction

shown. The coefficient of friction between the carton and the floor is 0.32 What is the magnitude of the

normal force acting on the carton?

a 70 kgm/s2

b 80 N

c 90 N

d 100 kgm/s2


49. What friction force acts on the carton in question number 48?

a 55 kgm/s

b 44 N

c 33 N

d 22 kgm/s2


50. What is the acceleration of the carton in question # 48?

a 3.8 m/s2

b -2.1 m/s2

c 2.1 m/s2

d 2.0002 m/s2


51. From the picture below find the normal force.

20.0 N

52. From the diagram below find the normal force.

10 N

10ο

53. From the diagram below find the tension T in the wire.

10 kg

15 N

a 96.5 N

b 95.6 N

c 59.6 N

d 69.5 N


10 kg

a 83 N

b 38 N

c 93 N

d 96 N


25 kg

5 kg

a 81 N

b 91 N

c 101 N

d 201N


30 N

10 N

54. From the diagram below find the tension T in the wire.

55. Find an expression to represent the acceleration of the system.

DOWNHILL, NO FRICTION

56. What force is needed to give a 15 kg mass a change in velocity of 30.0 m/s in one minute?

a 70 kgm/s

b 7.5 N

c 9.5 N

d 100 kgm/s2


57. An impulse of 120.0 N•s is applied to a mass of 6.2 kg. What change in velocity would this

cause?

a 25 m/s

b 99 m/s

c 19 m/s

d 112 m/s


10 kg

6 kg

a 37 N

b 68 N

c 75 N

d 54 N


a mgcosθ

b mg

c gsinθ

d mgsinθ - µmgcosθ


58. A mass of 12.0 kg is travelling at 10.0 m/s to the right when an impulse of 50 N•s to the left

is applied. What is the new velocity?

a 6 m/s

b 7 m/s

c 5 m/s

d 4 m/s


59. A truck of 5.00 × 103 kg mass is moving at a velocity of 20.0 m/s. What is its momentum?

a 1 × 105 kgm/s

b 1 × 104 Ns

c 3 × 105 Ns

d 3 × 102 kgm/s


60. A 20,000 kg railroad car travelling at a speed of vo strikes an identical car at rest. If the cars stick

together, and their common velocity after they collided is 10m/s, then find vo.

a 6.3 m/s

b 15 m/s

c 5.5 m/s

d 20 m/s


61. A rubber ball moving at 5.0 m/s collides with a stationary ball of equal mass. After the collision the

ball that was initially moving at 5.0 m/s now has a velocity of 2.0 m/s. What is the velocity of the ball that

was originally stationary?

a 3m/s

b 2 m/s

c 5 m/s

d 4 m/s


62. A 10,000 kg railroad car travelling at a speed of 24.0 m/s strikes an identical car at rest. If the cars

stick together, what is their common velocity after they collide?

a 16 m/s

b 17 m/s

c 12 m/s

d 14 m/s


63. Two dynamics carts, on a frictionless surface, are blasted apart by the spring between them If cart B

moves off at + 5.0 m/s, what is the velocity of cart A (in m/s)?

a 16 m/s

b 17 m/s

c 12 m/s

d 14 m/s


64. A 2000.0 kg railroad car is coasting on a track at a constant velocity of 20.0 m/s. As the car coasts

under a loading ramp, a 500.0 kg bale of hay is dropped into it. The velocity of the car containing the hay is

changed to?

a 16 m/s

b 17 m/s

c 12 m/s

d 14 m/s


65. What is the force required to change the velocity of a 4.50 kg ball from 3.00 m/s to 33 m/s in 0.45 s?

a 300 N

b 311 N

c 285 N

d 144 N


66. A 350 kg roller coaster car travels past points A and B with speeds shown in the diagram below. How

much heat energy is produced between these points

a 18999 J

b 26000 J

c 18101 J

d 14 J


67. A 250 kg roller coaster car passes the crest of a hill at 15.0 m/s. What is the speed of the car at point

B at the bottom of the hill? (Neglect friction.)

a 36 m/s

b 16 m/s

c 46 m/s

d 26 m/s


68. A 21.0 kg child slides down a 200.00 cm high water slide. If the child’s velocity at the bottom of the

slide is 5.0 m/s, how much energy has been lost to friction?

a 108 J

b 170 J

c 115 J

d 150 J


69. George of the Jungle, is running at 4.5 m/s when he grabs a vine hanging vertically from a tall tree.

How high up can George reaches with his swing?

a 108 m

b 170 m

c 115 m

d 1 m


70. How much work does Johnny do if he lifts a 120 kg bag up 0.0500 m?

a 14 J

b 59 J

c 0 J

d 1 J


71. How much work does Sally do if she is holding a 201.0 g bag and walk 5001.00 cm across the mall?

a 14 J

b 59 J

c 0 J

d 1 J


72. How much power is produced by a 100.0 N force moving a 10.00 kg mass 20.00 m across the floor in

0.45 s?

a 4500 W

b 59 W

c 0 W

d 5500 W


73. What happens to the kinetic energy of an object if we tripled its velocity?

a 2×

b 9×

c 8×

d 6×


74. How much potential energy does a 20.00 kg mass gain when you move it from 10.00 m above the

ground to 33.0 m above the ground?

a 4500 J

b 59 J

c 3100 J

d 5500 J


75. How much energy is lost when a 10.00 kg mass slows down from 25 m/s to 2.00 m/s?

a 4500 J

b 59 J

c 3100 J

d 5500 J


76. Which of the following is a vector?

a Ampitude

b Power

c Distance

d Momentum


77. Which of the following is a scalar?

a Velocity

b Force

c Work

d Impulse


78. Joule is equal to?

a. Hz

b. Nm

c. m/s

d kgm/s


79. ∆v means

a. vf - vo

b. vo - vf

c. vf × vo

d vf + vo


80. The area under a velocity – time graph is equal to ?

a Total Energy

b Total Force

c Total Work

d Total Displacement


81. Consider the following graph. The velocity is greatest during interval?

a RS

b ST

c TU

d VW


82. Shown below is the velocity-time graph for an object during a 10 s time interval. When is its

acceleration the greatest?

a A

b B

c C

d D


83. What is the total distance traveled after the first 8.00 seconds

a 114 m

b 100 m

c 120 m

d 50 m


84. The speed of light is equal to

a 330 m/s

b 6.67×1011

m/s

c 3.0×108 m/s

d 6.4×106 m/s


85. The speed of sound is equal to

a 330 m/s

b 6.4×10-3

m/s

c 3.0×108 m/s

d 4.8×10-17

m/s


86. If there are 300.00 extra electrons on a copper plate than the charge on the copper plate is?

a -330 C

b -6.4×10-3

C

c -3.0×108 C

d -4.8×10-17

C


87. If 3.6×1019

electrons pass through a cross section of a wire in 2.5 hrs. What is the current?

a 330 A

b 6.4×10-3

A

c 3.0×108 A

d 4.8×10-17

A


88. λ is the symbol for ?

a Phase Shift

b Period

c Ampitude

d Wavelength


89. In the diagram below which is the ampitude?

a A

b B

c C

d D


90. In the diagram above which is the period?

a A

b B

c C

d D


A

B

C

D

91. In the diagram above which is the wavelength?

a A

b B

c C

d D


92. In the diagram above which is the phase shift?

a A

b B

c C

d D


93. What is the power dissipated in the 9.0 Ω resistor in the following circuit ?

94. In the circuit shown below, determine the current through the 5. 0 Ω resistor.

95. What is the power dissipated at the 3 Ω ?

a. 9 W

b. 10 W

c. 13 W

d. 15W


a. 0.12 A

b. 0.23 A

c. 0.53 A

d. 0.43 A


a. 1.5 W

b. 1.6 W

c. 1.7 W

d. 1.8 W

e. All of the above

96. What is the voltage drop across R4?

a. 4.5 V

b. 4.6 V

c. 4.7 V

d. 5.8 V

e. All of the above

97. What is the voltage drop across R1?

a.5.65 V

b.5.25 V

c. 1.55 V

d. 1.85 V

e. All of the above

98. What is Io?

a. 0.15 A

b. 0.25 A

c. 0.65 A

d. 0.75 A

e. All of the above

99. What is the power dissipated at R4?

a. 1.5 W

b. 1.6 W

c. 1.7 W

d. 1.8 W

e. None of the above

100. What is the unit for measuring Current?

a. Amperes

b. Coulombs

c. Ohms

d. Watts

e. None of the above

transfer the correct answer to the scantron sheet … 11 practice mock final examination version...

Documents