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please help with questions 24,35,26,27,28

please help with questions 24,35,26,27,28

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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please help with questions 24,35,26,27,28
STADLES 27. Which object had the greatest acceleration? 28. Compared to the average speed of object A, the average speed of object D is 34. What is the average velocity of the object from t = 0 to t =3 seconds? (1) 1 m/s (2) 2 m/s (3) 3 m/s (4) 0 m/s 35. During which time interval is the object accelerating? (1) less (3) the same (2) greater 29. An object initially traveling at 20. meters per second west accelerates uniformly at 4.0 meters per second? east for 2.0 seconds. The displacement of the object during these 2.0 seconds is 36. Which quantity is constant for a freely falling object near Earth's surface? (1) displacement (2) speed (3) velocity (4) acceleration (1) 32 m east (2) 32 m west (3) 48 m east (4) 48 m west 37. Which graph best represents the motion of an object falling from rest near Earth's surface? (Neglect friction.] 30. An object initially traveling at 20. meters per second south accelerates uniformly at 6.0 meters per second? north and is displaced 25 meters. The final velocity of the object is (1) 26 m/s north (2) 26 m/s south (3) 10. m/s north (4) 10. m/s south Time Time (1) (3) 31. The time-rate of change of displacement is (1) acceleration (2) distance (3) speed (4) velocity Base your answers to questions 32 through 35 on the following graph, which represents the relationship between the displacement of an object and time. Time Time (2) (4) 38. What is the total distance that an object near the surface of Earth falling freely from rest travels in 3.0 seconds? Displacement vs. Time (1) 88 m (2) 44 m (3) 29 m (4) 9.8 m 39. An object starts from rest and falls freely near Earth's surface for 3.00 seconds. Calculate the final speed of the object. the 40. An object is thrown vertically upward from surface of Earth. Which graph best represents the relationship between velocity and time fa the object as it rises and then returns to Earth 1 6. Time (s) 32. How far is the object from the starting point at the end of 3 seconds? Time Time Time 33. During which time interval is the object at rest? (1) (2) (3) Statics he branch of mechanics that treats forces which act on objects at rest is alled statics A force is a push or pull measured in newtons, N. a derived Displacement (m) Velocity Distance pəəds pəəds Velocity
Transcribed Image Text:STADLES 27. Which object had the greatest acceleration? 28. Compared to the average speed of object A, the average speed of object D is 34. What is the average velocity of the object from t = 0 to t =3 seconds? (1) 1 m/s (2) 2 m/s (3) 3 m/s (4) 0 m/s 35. During which time interval is the object accelerating? (1) less (3) the same (2) greater 29. An object initially traveling at 20. meters per second west accelerates uniformly at 4.0 meters per second? east for 2.0 seconds. The displacement of the object during these 2.0 seconds is 36. Which quantity is constant for a freely falling object near Earth's surface? (1) displacement (2) speed (3) velocity (4) acceleration (1) 32 m east (2) 32 m west (3) 48 m east (4) 48 m west 37. Which graph best represents the motion of an object falling from rest near Earth's surface? (Neglect friction.] 30. An object initially traveling at 20. meters per second south accelerates uniformly at 6.0 meters per second? north and is displaced 25 meters. The final velocity of the object is (1) 26 m/s north (2) 26 m/s south (3) 10. m/s north (4) 10. m/s south Time Time (1) (3) 31. The time-rate of change of displacement is (1) acceleration (2) distance (3) speed (4) velocity Base your answers to questions 32 through 35 on the following graph, which represents the relationship between the displacement of an object and time. Time Time (2) (4) 38. What is the total distance that an object near the surface of Earth falling freely from rest travels in 3.0 seconds? Displacement vs. Time (1) 88 m (2) 44 m (3) 29 m (4) 9.8 m 39. An object starts from rest and falls freely near Earth's surface for 3.00 seconds. Calculate the final speed of the object. the 40. An object is thrown vertically upward from surface of Earth. Which graph best represents the relationship between velocity and time fa the object as it rises and then returns to Earth 1 6. Time (s) 32. How far is the object from the starting point at the end of 3 seconds? Time Time Time 33. During which time interval is the object at rest? (1) (2) (3) Statics he branch of mechanics that treats forces which act on objects at rest is alled statics A force is a push or pull measured in newtons, N. a derived Displacement (m) Velocity Distance pəəds pəəds Velocity
Base your answers to questions 24 through 28 on the following four graphs, which represent the relationship between speed and time for four different objects, A, B, C, and D moving, in a straight line. 10.0 30 30 20 20 ip 10+ 10+ 0- + + 0- 2 3. Time (s) 1 0. 1 Time (s) 30+ 30+ 20 20 10+ 10 0- 1 Time (s) + 0. Time (s) 3. 24. Which object had a retarding force acting on it? 25. Which object was not accelerating? 26. Which object traveled the greatest distance in the 3.0-second time interval? Speed (m/s) Speed (m/s) Speed (m/s) Speed (m/s)
Transcribed Image Text:Base your answers to questions 24 through 28 on the following four graphs, which represent the relationship between speed and time for four different objects, A, B, C, and D moving, in a straight line. 10.0 30 30 20 20 ip 10+ 10+ 0- + + 0- 2 3. Time (s) 1 0. 1 Time (s) 30+ 30+ 20 20 10+ 10 0- 1 Time (s) + 0. Time (s) 3. 24. Which object had a retarding force acting on it? 25. Which object was not accelerating? 26. Which object traveled the greatest distance in the 3.0-second time interval? Speed (m/s) Speed (m/s) Speed (m/s) Speed (m/s)
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