A rope attached to a truck pulls a 180-kgkg motorcycle at 9.0 m/sm/s. The rope exerts a 400-NN force on the motorcycle at an angle of 15∘15∘ above the horizontal. What is the work that the rope does in pulling the motorcycle 300 mm?

Q: Sam, whose mass is 68 kgkg , straps on his skis and starts down a 58 mm -high, 20∘20∘ frictionless…

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Q: A 0.60-kg particle has a speed of 2.0 m/s at point A and a kine tic energy of7.5 J at point B. What…

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Q: A basketball player makes a jump shot. The 0.550-kg ball is released at a height of 1.90 m above the…

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Q: A 2.5 kg object undergoes a displacement Ar=3.0 ml +3.5 mĵ-2.0 m k along a straight line. During the…

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Q: A boy flies a kite with the string at a 30∘ angle to the horizontal. The tension in the string is…

A: Given:-  The Tension in the string is T = 4.5 N  The string is at a 30∘ angle to the horizontal.…

Q: You drop a 3.00 kg book to a friend who stands on the ground at distance D = 11.0 m below. If your…

A: Mass of the book, m = 3.00 kg Acceleration due to gravity, g = 9.81 m/s^2 Distance between the…

Q: A boat with a horizontal tow rope pulls a water skier. She skis off to the side, so the rope makes…

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Q: 1) A steel ball of mass 5.2 g is fired vertically DOWNWARD from a height hof 18 m with an initial…

A: Given   mass of steel ball = 5.2 g initial speed = vo = 14 m/s    (downward direction) height = 18…

Q: A 54.0-kg skateboarder starts out with a speed of 1.70 m/s. He does +80.0 J of work on himself by…

A: mass of a skateboarder=54kg Intial speed of skateboarder=1.7m/s Work done by feat=80j Work done by…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.01 m above the…

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Q: 21. A 0.600-kg particle has a speed of 2.00 m/s at point A and V kinetic energy of 7.50 J at point .…

A: Solution:-(21) Part (a):- We know , kinetic energy k = (1/2)×m×v2 Then Ka= (1/2)×0.600×(2)2 […

Q: True or false  The potential energy of an object cannot be increased by internal forces. When a…

A: Internal forces are kind of forces that are exchanged by the object in the system. The internal…

Q: A 0.800-kg particle has a speed of 1.90 m/s at point A and kinetic energy of 7.60 J at point B. (a)…

A: The mass of the particle, m=0.800 kg The velocity of the particle at point A, vA=1.90 m/s The…

Q: A girl on a skateboard (total mass of 40 kg) is moving at a speed of 10 m/s at the bottom of a long…

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Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.01 m above the…

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Q: A 140-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 16.4°…

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Q: 0.46 kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.5 J at point B. (a) What…

A: using kinetic energy formula and work energy theorem,

Q: A6 kg block is placed on a rough surface inclined relative to the horizontal as shown in Figure. The…

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Q: A 0.800-kg particle has a speed of 1.60 m/s at point A and kinetic energy of 7.30 J at point B. (a)…

A: (a).The kinetic energy at A is

Q: kg crate is pulled 4.7 m up a 30∘ incline by a rope angled 17 ∘ above the incline. The tension in…

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Q: 0.31-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.8 J at point B. (a) What…

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Q: An object has a mass of 5.153 kg. Initially its velocity is 15.32 m/s. Three forces do work on the…

A: We have given: mass of object, m = 5.153 kg Initial velocity of object, u = 15.32 m/s Final velocity…

Q: A 390 kgkg piano slides 2.8 mm down a 23 ∘∘ incline and is kept from accelerating by a man who is…

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Q: e roof, descends another vertical 7.0-meter ladder, and returns to his starting location on the…

A: GivenMass of carpenter, m=75 kgHeight of ladder, h=7 mDistance travelled on roof, d=12 m

Q: While an airplane is in flight, the pilot announces that an emergency landing has to occur.  In…

A: Given quantities: mass of the passenger (m) = 82 kg height through which it descends (H) = 391 m…

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

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Q: A cable pulls an 267 kg safe up a slope inclined at 19 °, for 20 m on an very slippery oily surface.…

A: a) The normal force acting on a safe will be perpendicular to the inclined surface and the safe will…

Q: 67

A: given that,Mass of truck : m= 1250 (kg)Initial Speed: u = 23.61(m/sec)Final speed : v=16.66…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2. 14 m above…

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Q: A 980 kg car travels a distance of 6.00 m uphill along a road that makes an angle of 30.0∘ with the…

A: Mass of the car m = 980 kg.Distance is given as s = 6 m.Angle is given as Accelration of the car

Q: g particle has a speed of 5.0 m/s at point A and kinetic energy of 8.0 J at point B.

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Q: A 2.07 kg mass is initially at rest upon a horizontal surface. An applied force of 26.6 N i then…

A: The mass of object is Initially the object is at rest, Force applied to the object is Distance is…

Q: You drag your 30 kg suitcase 1200 m thru the Chicago airport at essentially constant velocity 2.0…

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Q: A 0.800-kg particle has a speed of 1.60 m/s at point and kinetic energy of 7.70 J at point B . (a)…

A: Given,

Q: A 0.34-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.1 J at point B. (a)…

A: Mass of the particle m=0.34 kg Speed of the particle at point A ,vA=3.0 m/s The kinetic energy at…

Q: A 0.41-kg particle has a speed of 3.0 m/s at point A and kinetic energy of 8.0 J at point B. (a)…

A: (a) Calculate the kinetic energy at point A. KEA = 0.5*m*vA2          = 0.5*0.41*32       = 1.85 J

Q: A 0.200-kg particle has a speed of 1.50 m/s at point and kinetic energy of 7.10 J at point Ⓡ. (a)…

A: Given  Mass , m = 0.200 kg  Speed at point A , VA = 1.50 m/s  Kinetic energy at point B , KB = 7.10…

Q: A basketball player makes a jump shot. The 0.600-kg ball is released at a height of 2.02 m above the…

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Q: are pulling a child in a wagon. The rope handle is inclined upward at a 60∘ angle. The tension in…

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