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 57SP
Compute the power output of a machine that lifts a 500-kg crate through a height of 20.0 m in a time of 60.0 s.
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Chapter 6 Solutions
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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- A 1.00 kg rock at rest is lifted a distance 5.00m above the ground for 3.00 s. What is the Power done in lifting this rock? 15.0 watts 16.3 watts 0 watts 1.67 wattsarrow_forwardWhile at a water park, Hunter tries the water slide. The starting point is 13.0 m above the ground. He pushes off with an initial speed of 2.5 m/s. If the slide is frictionless, how fast will Hunter be traveling at the bottom?arrow_forwardA package with a mass of 51.0 kg slides down a smooth ramp with negligible friction. The package starts from rest and has a speed of 3.90 m/s at the bottom. What is the height of the ramp (in m)?arrow_forward
- at an amusement park, a swimmer uses a water slide to enter the main pool.the swimmer slides without friction, and descends through a vertical height of 2.49m. find the swimmers speed at the bottom of the slide if she starts with an initial speed of 0.850m/sarrow_forwardA child and sled with a combined mass of 29.8 kg slide down a frictionless hill, starting at the top. The sled starts from rest and acquires a speed of 7.16 m/s by the time it reaches the bottom of the hill. What is the height (in m) of the hill?arrow_forwardStarting from rest, a child zooms down a frictionless slide from an initial height of 5.00 m. What is her speed at the bottom of the slide? Assume she has a mass of 20.0 kg.arrow_forward
- You push a file cabinet up a frictionless ramp tilted at 10°with horizontal. The file cabinet has a mass of 100 kg and you are pushing with a 700 N force in the direction up along the ramp. The file cabinet has initial speed of 2.0 m/s. It’s moved 8.0 m up along the ramp. What is the final speed of the cabinet?arrow_forwardA 587.91 kg flying object has a net propulsion force of 470 N. Over a short period of time, the flying object speeds up uniformly from an initial velocity of 22.39 m/s to a final velocity of 69.31 m/s. Assume that the mass of the flying object remains constant even though it is burning fuel and that the net force is along the direction of travel. What is the net work done on the flying object? No unit is required for the final answer.arrow_forwardA child and sled with a combined mass of 26.1 kg slide down a frictionless hill, starting at the top. The sled starts from rest and acquires a speed of 6.35 m/s by the time it reaches the bottom of the hill. What is the height (in m) of the hill? Answer: m (round to the nearest hundredth)arrow_forward
- The power required for an object sliding on a rough, level surface to overcome friction is P = -bv, where v is the speed of the object. What are the SI units of b? kg/s O kg /s? O kg/m O kg /m? O kg · m/s? none of thesearrow_forwardA 1.50 ✕ 103-kg car starts from rest and accelerates uniformly to 19.9 m/s in 12.7 s. Assume that air resistance remains constant at 400 N during this time. (a) Find the average power developed by the engine. ___hparrow_forwardA dog with a mass of 57.0 kg slides down a wet slope with negligible friction. The dog starts from rest and has a speed of 2.10 m/s at the bottom. What is the height of the slope (in m)?arrow_forward
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