a 1.60 m tall person lifts a 1.65 kg book off the ground so it is 2.20 m above the ground. what is the potential energy of the book relative to the head of the person? a. 26.7 J b. 7.62 J c. 9.71 J d. 35.6 J e. none of the above

Q: A 3.75-kg crate starting at rest slides down a rough 6.20-m-long ramp, inclined at 35.0° below the…

A:

Q: An arrangement of two pulleys, as shown in the figure, is used to lift a 77.5-kg crate a distance of…

A: We know, the change in potential energy of a mass m when it is lifted a distance h, is ∆U = mgh…

Q: 13. A heavy rope, 50 ft long, weighs 0.5 lb/ft and hangs over the edge of a building 120 ft high.…

A: Length of rope = 50 ft, And weight of rope = 0.5 lb/ft Height of building = 120 ft.

Q: Q4. (b) A helicopter lifts a 72 kg astronaut 15 m vertically from the ocean by means of a cable. The…

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Q: A 1200 kg frictionless roller coaster starts from rest at a height of 18 m. What is its kinetic…

A: Using law of conservation of energy, the expression for find kinetic energy is…

Q: 4. A 250-N force accelerates a 25.0-kg crate from rest along a horizontal frictionless surface for a…

A:

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: 1. A cart is loaded with a brick and pulled at constant speed along an inclined plane to the height…

A: Since you have posted multiple questions we will solve the first question for you .If you want any…

Q: 8. A person pulls a toboggan for a distance of 35.0 m along the snow with a rope directed 25.0°…

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Q: A 10 [g] particle has the potential energy shown in figure below. U (J) a) draw a force-vs-position…

A: (a) The force be defined as, F=-∂U∂x

Q: A runner exerts a force of 334 N against the ground while running a distance of 50.Om. The runner's…

A: Force exerted, F = 334 N Distance walked, s = 50 m Power, P = 3.71 kW = 3710 W   Work done by the…

Q: A 17 kg child carries a 910 g teddy bear up the steps of a slide that is 1.6 m above the ground.…

A: Change in potential energy of the teddy bear…

Q: 4)A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3300 m peak. What is the…

A: To find the change in potential energy

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 student uses 200N to push a block of wood up a ramp at a constant velocity of 2.6 m/s. What is his…

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Q: A block with a mass of 43.0 kg is pushed with a horizontal force of 150 N. The block moves at a…

A:

Q: 2) A 6, 500 kg truck with an initial speed of 10 m/s accelerates for 17 seconds to a final speed of…

A: Given data Mass of the truck, m=6500 kg Initial speed, u= 10 m/s final speed, v=22 m/s Acceleration…

Q: A 550 kg elevator accelerates upward at 1.2 m/s2 for the first 15 m of its motion. How much work is…

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Q: Q13: A 6 kg mass is projected down a rough ( shown. )circular track (R = 2 m) as The speed of the…

A: (13) Write the given values with the suitable variables. m=6 kgR=2 mvA=4 m/svB=6 m/s Here, m, R, vA,…

Q: A 51.3-g golf ball is driven from the tee with an initial speed of 53.4 m/s and rises to a height of…

A: Given  Mass of ball, M = 51.3 g  Initial speed, u = 53.4 m/s  Ball rises to a height, thus maximum…

Q: A 60.0-kg woman climbs a staircase to a level 11.0 m above her starting point in 66.0 s. (a) How…

A:

Q: 1. A 10.0-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s.…

A: Energy of system is always conserved. It just changes its form. Here the total mechanical energy is…

Q: 5) You carry a 5.0 kg bag of groceries 0.8 m above the ground at constant speed across a 2.3m room.…

A:

Q: A 0.25 slug (3.6 kg) object begins moving at 46 mph (20.6 m/s). A force slows it down to 37 mph…

A: Mass of the object is m = 3.6 kg Initial speed of the object is u = 20.6 m/s Final speed of the…

Q: 5) A roller coaster at the top of the first hill has 1000J of potential energy and 50J of kinetic…

A: SOlution: as given that at top of hill PE = 1000 J KE = 50 J

Q: Mark pushes his broken car 150 m down the block to his friend’s house. He has to exert a 110 N…

A:

Q: 11. (i) A small 35g toy rocket is launched straight up from the ground at 108 km/h (a) What is the…

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Q: 1. Calculate the potential energy, kinetic energy, mechanical energy, velocity, and height of the…

A: According to bartleby's guidelines, I am allowed to solve only 1 question at a time.

Q: A stunt man jumps from the top of a tall platform and into a swimming pool below. His potential…

A: Introduction: From the law of conservation of the energy remain constant, it can be transform from…

Q: A bag of wheat weight 280 kg.To what height should it be raised so that potential energy is 8900 J?…

A: Given data :    Mass of the bag  =  m   Potential energy  =  P•E  Acceleration due to gravity  =…

Q: 1. A 10.0-kg crate slides along a horizontal frictionless surface at a constant specd of 4.0 m/s.…

A: Given data- Mass of crate m=10.0 kg Speed on the upper horizontal surface Vi=4.0 m/s Speed of the…

Q: (Figure 1) is the energy bar chart for a firefighter sliding down a fire pole from the second floor…

A:

Q: You do 30 J of work to load a toy dart gun. However, the dart is 10 cm long and feels a frictional…

A: The Kinetic energy of dart is given by, KE=PE-Ffricl Here PE= Potential Energy=30 J, Ffric=…

Q: The third floor of a house is 8.0 m above the street level. How much work is needed to  move a 150…

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Q: 5. A 2-kg object moved from rest to a speed of 10 m/s. a) Calculate the work done on the object? b)…

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Q: A 0.32-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.4 J at point B. (a)…

A: Given: The mass of the particle is m=0.32 kg, The velocity of the particle at point A is vA=5.0…

Q: A 0.59-kg particle has a speed of 5.0 m/s at point A and kinetic energy of 8.5 J at point B. (a)…

A: Given Data:- The mass of the particle is m = 0.59 kg. The speed of the particle at point A is vA =…

Q: A 0.42 kg particle has a speed of 5.0 m/s at point A and kinetic energy of 7.5 J at point B. (a)…

A: Write the given values of this problem. m=0.42 kgvA=5 m/sK.EB=7.5 J

Q: 2. What is the kinetic energy of a 3.0 kg book bag just before it hits the floor after a 1.5 m fall?…

A: The given values are,

Q: A 66.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 7.5 m/s.…

A:

Q: Jeff lifts a 6000-g metal ball from the ground to a height of 35 inches close to his body. What is…

A: Given: mass of ball m = 6000 g = 6 kg height h = 35 inch = 35*0.0254 m = 0.889 m

Q: A box of mass 10 kg initially was at rest on a frictionless horizontal table. After applying a force…

A: Given that, The mass of a box, m = 10 kg The initial speed of the box, u = 0 (at rest) After…

Q: Q7 A ball, of mass m = 1.0 kg slides on a rough path AB. If the ball starts from rest at point A and…

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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:

Q: A 61.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 9.7 m/s.…

A: