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Use provided worksheets SLO Review Use provided worksheets

4. 5.

An object initially traveling at 10 meters per second accelerates uniformly at a rate of 3.0 meters per second squared for 4 seconds. The distance traveled by the object during this time interval is 12 m 40 m 46 m 64 m

An object is dropped from rest off a bridge and it falls for 4 An object is dropped from rest off a bridge and it falls for 4.0 seconds. Approximately how far has the object fallen during this time interval? 20 m 40 m 80 m 120 m

8. A paintball gun is fired straight up into the air at 17. 0 m/s 8. A paintball gun is fired straight up into the air at 17.0 m/s. What will be the velocity of the paintball at its highest point? 0 m/s 1.7 m/s 9.8 m/s 17.0 m/s

9. A skier starts from rest and accelerates uniformly down a 100 meter slope over 5 seconds. What is the magnitude of the skier’s acceleration if she reaches a final velocity of 40 m/s? a) 0.05 m/s2 b) 4 m/s2 c) 8 m/s2 d) 20 m/s2

10. As shown in the diagram, a student standing on the roof of a 50 10. As shown in the diagram, 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 does it take the stone to reach the ground (neglect air resistance)? 3.2 s 5.1 s 10.2 s 12.5 s  

11. Which one of the following is NOT an example of a vector quantity 11. Which one of the following is NOT an example of a vector quantity? a) time b) velocity c) acceleration d) displacement

12. A B The addition of these two velocity vectors (A + B) will yield a resultant vector that looks like a) b) c) d)

An Olympic athlete throws a javelin at four different angles above the horizontal, each with the same speed: 30, 40, 60, 80. Which two throws cause the javelin to land the same distance? 30 and 80 b) 40 and 60 c) 40 and 80 d) 30 and 60

14. An object is thrown upward at an angle with an initial velocity v 14. An object is thrown upward at an angle with an initial velocity v. At point P, its acceleration could best be represented by which vector? a) b) c) d)

15. A boy pulls on a 5 kg sled with a constant force of 25 N and there is a frictional force of 10 N from the snow. What is the sled’s acceleration? a) 175 m/s2 b) 7 m/s2 c) 5 m/s2 d) 3 m/s2 e) 0 m/s2

An unfortunate bug splatters against the windshield of a moving car An unfortunate bug splatters against the windshield of a moving car. Which of the following statements correctly describes the force and the acceleration of each object? a) The force on each object is the same, and the acceleration of each object is the same. b) The force on the bug is greater, and the acceleration of the bug is greater. c) The force on each object is the same, and the acceleration the bug is less. d) The force on each object is the same, and the acceleration of the bug is greater.

17. A baseball player hits a ball with a bat 17. A baseball player hits a ball with a bat. The action force is the impact of the bat against the ball. What is the reaction to this force? a) The inertia of the ball. b) The weight of the ball. c) The velocity of the ball. d) The force of the ball against the bat. e) The force of air resistance against the ball.

18.

19. A 100 kg skydiver falls from a high flying stationary helicopter, and his velocity increases until he reaches terminal velocity. If the skydiver’s terminal velocity is 40 m/s, his acceleration at this point is about a) 0 m/s2 b) 10 m/s2 c) 20 m/s2 d) 400 m/s2

20. 21.

22. A 50 kg load is lifted up to a height of 20 meters above the ground with a crane in 30 seconds. If the load is lifted from the ground at a constant velocity, the work done by the crane is approximately a) 10,000 J b) 1,000 J c) 333 J d) 200 J

23. A 50. kg skier is 15 m above the ground and is traveling with a velocity of 8.0 m/s. Relative to the ground, the total mechanical energy of the skier is a) 3200 J b) 1600 J c) 7350 J d) 8950 J

24. As a roller coaster rolls freely without frictional effects from the top of a hill to the bottom, its total mechanical energy a) Increases b) Decreases c) Remains constant

25. A 700 Watt motor is left running for 2 minutes 25. A 700 Watt motor is left running for 2 minutes. In this amount of time, how much energy can the motor deliver? a) 350 J b) 1400 J c) 84,000 J d) 168,000 J

26. A 1.2 kilogram block and a 1.8 kilogram block are initially at rest on a frictionless, horizontal surface. When a compressed spring between the blocks is released, the 1.8 kilogram block moves to the right at 2.0 m/s, as shown. What is the speed of the 1.2 kilogram block after the spring is released? a) 1.4 m/s b) 2.0 m/s c) 3.0 m/s d) 3.6 m/s

27. During a collision, a 5 N force is applied to a 0 27. During a collision, a 5 N force is applied to a 0.100 kg ball for 0.25 seconds. What is the resulting change in momentum of the ball? a) 0.025 kg·m/s b) 0.25 kg·m/s c) 0.125 kg·m/s d) 1.25 kg·m/s

28. A 4 kg cart is rolling along at 3 m/s and strikes a 2 kg that is at rest. The two carts lock together and will roll away with a momentum that is a) Greater than 12 kg·m/s b) Less than 12 kg·m/s Equal to 12 kg·m/s 29. …and with a velocity of 1.0 m/s 1.5 m/s 2.0 m/s 2.5 m/s

30. A series of ocean waves have a frequency of 0 30. A series of ocean waves have a frequency of 0.20 hertz and a wavelength of 5 meters. The amplitude of the waves is 2.5 m. What is the speed of the waves through the water? 0.5 m/s b) 1.0 m/s c) 2.5 m/s d) 5.0 m/s

31. Two waves approach each other in a uniform medium as shown in the diagram. When these two waves meet, the resulting amplitude of the wave will be a) 3.0 cm b) 3.5 cm c) 7.0 cm d) 10 cm

32. In which medium would sound waves travel the fastest. a) air 32. In which medium would sound waves travel the fastest? a) air. b) water. c) steel. d) a vacuum.

33. The number of nodes and antinodes shown in the standing wave diagram is a) 4 nodes and 5 antinodes b) 5 nodes and 6 antinodes c) 6 nodes and 5 antinodes d) 6 nodes and 10 antinodes

34. A speaker is initially playing a certain note 34. A speaker is initially playing a certain note. Then, the speaker is adjusted so that it pulsates back and forth with a higher frequency. What is the resulting sound that you will you hear? a) a higher note b) a lower note c) a louder note d) a quieter note

35. Which of the following would you feel as radiant heat 35. Which of the following would you feel as radiant heat? a) microwaves b) infrared waves c) orange light d) x-rays

36. The diagram below represents shallow water waves of constant wavelength passing through two small openings, A and B, in a barrier. Which statement best describes the interference at point P? (a) It is constructive, and causes a longer wavelength. (b) It is constructive, and causes an increase in amplitude. (c) It is destructive, and causes a shorter wavelength. (d) It is destructive, and causes a decrease in amplitude.

37. A light ray is incident on a plane mirror and makes an angle of 37. A light ray is incident on a plane mirror and makes an angle of 30° with the mirror. What is the angle between the reflected light ray and the normal line? a) 30° b) 45° c) 60° d) 90°

38. The nature of light can best be described by Particles only Waves only Waves and particles Neither waves nor particles

39.

40. When observed from Earth, the wavelengths of light emitted by a star are shifted toward the red end of the electromagnetic spectrum. This redshift occurs because the star is a) at rest relative to Earth b) moving away from Earth c) moving toward Earth at decreasing speed d) moving toward Earth at increasing speed