Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 6, Problem 38SP
A 50 000-kg freight car is pulled 800 m up along a 1.20 percent grade at constant speed. (a) Find the work done against gravity by the drawbar pull. (b) If the friction force retarding the motion is 1500 N, find the total work done.
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 6 - 24. A force of 3.0 N acts through a distance of 12...Ch. 6 - 25. A box is pulled across a level floor a...Ch. 6 - 26. An automobile is pushed 10.0 ft by a woman...Ch. 6 - 27. A steady force of 500 N is applied...Ch. 6 - 28. Suppose that a 100-kg crate is to be raised...Ch. 6 - 29. A 10.0-kg flowerpot falls off a windowsill...Ch. 6 - 30. How much work in total must a 200-lb man do...Ch. 6 - 31. A 4.0-kg object is lifted 1.5 m. (a) How much...Ch. 6 - 32. A uniform rectangular marble slab is 3.4 m...Ch. 6 - 33. How large a force is required to accelerate a...
Ch. 6 - 34. A 1200-kg car going 30 m/s applies its brakes...Ch. 6 - 35. A proton (m = 1.67 × 10−27 kg) that has a...Ch. 6 - 36. A 200-kg cart is pushed slowly at a constant...Ch. 6 - 6.37 [II] Repeat Problem 6.36 if the distance...Ch. 6 - 38. A 50 000-kg freight car is pulled 800 m up...Ch. 6 - 39. A 60-kg woman walks up a flight of stairs that...Ch. 6 - 40. A pump lifts water from a lake to a large tank...Ch. 6 - 41. Just before striking the ground, a 2.00-kg...Ch. 6 - 42. A 0.50-kg ball falls past a window that is...Ch. 6 - 43. At sea level a nitrogen molecule in the air...Ch. 6 - 44. The coefficient of sliding friction between a...Ch. 6 - 6.45 [II] Consider the simple pendulum shown in...Ch. 6 - 46. A 1200-kg car coasts from rest down a driveway...Ch. 6 - 47. The driver of a 1200-kg car notices that the...Ch. 6 - 48. A 2000-kg elevator rises from rest in the...Ch. 6 - 49. Figure 6-8 shows a bead sliding on a wire. How...Ch. 6 - 50. In Fig. 6-8, h1 = 50.0 cm, h2 = 30.0 cm, and...Ch. 6 - 51. In Fig. 6-8, h1 = 200 cm, h2 = 150 cm, and at...Ch. 6 - 6.52 [I] Imagine a 60.0-kg skier standing still on...Ch. 6 - 53. Considering the skier in the previous problem,...Ch. 6 - 6.54 [II] Considering the skier in the previous...Ch. 6 - 55. A 10.0-kg block is launched up a 30.0°...Ch. 6 - 56. Calculate the average power required to raise...Ch. 6 - 57. Compute the power output of a machine that...Ch. 6 - 58. An engine expends 40.0 hp in propelling a car...Ch. 6 - 6.59 [II] A 1000-kg auto travels up a 3.0 percent...Ch. 6 - 60. A 900-kg car whose motor delivers a maximum...Ch. 6 - 6.61 [II] Water flows from a reservoir at the rate...Ch. 6 - 6.62 [II] Find the mass of the largest box that a...Ch. 6 - 6.63 [II] A 1300-kg car is to accelerate from rest...
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