Jim rides his skateboard down a ramp that is in the shape of a quarter circle with a radius of 5.00 m. At the bottom of the ramp, Jim is moving at 9.00 m/s. Jim and his skateboard have a mass of 73.8 kg. How much work is done by friction as the skateboard goes down the ramp?

Q: A 1.0 [kg] box slides 5.0 [m] down a rough inclined plane at an angle 40° with respect to the…

A: Mass(m) = 1 kg slide distance(x)=40o μk=0.20Required work done

Q: A 6.0 kg suitcase slides down the luggage rack for a distance of 4.0 m. The rack is an inclined…

A:

Q: The kinetic energy of a car is 8 x 10° J as it travels down the road. How much work is required to…

A: Initial kinetic energy of the car, Ei=8×106J

Q: A box is pushed with the force of 15N. The box travels 2 meters. What is the total work? *   a. 0 J…

A:

Q: 20. A 0.58 kg box is pulled with 70 N of force at an angle of 150 above the horizontal across a flat…

A: Given: m = 0.58 kg, F = 70 N, θ = 15°, s = 17 m

Q: 10-kg dog is running with a speed of 5.0 m/s. What is the minimum work required to stop the dog in…

A: Given: The mass of the dog is 10 kg. The initial speed of the dog is 5 m/s. The final speed of the…

Q: Ellie is pushing a rolling bag at 40o with a force of 350 N and able to displace her bag by 2800 mm,…

A: The angle is Φ = 40o  Force is F = 350 N  Displacement is S = 2800 mm = 2.8 m

Q: A horse pulls a 350-kg sled at a constant velocity along an icy road for 500 m. If the coefficient…

A:

Q: What is the work done by the moving force in Joules

A: Mass, m=7Kg Velocity, v=20m/s Height, h=8.75m

Q: Question 15 A baker pushes a cart full of rolls with a force of 20.0 N for a distance of 4.0 m. How…

A: Given data The force applied by the baker is given as F = 20 N. The distance traveled by the baker…

Q: A sled of mass 70 kg starts from rest and slides down a 10° incline 80 m long. It then travels for…

A: Given Data: The mass of the sled is, m=70 kg The length of a horizontal sled is, l=20 m   The…

Q: A 4.6 kg box has an acceleration of 2.4 m/s when it is pulled by a horizontal force across a surface…

A: Basic Details The horizontal forces are the summation of the force due to acceleration and due to…

Q: a 12 kg box is pushed 3.45 m across the floor by a horizontal force. The coeffcients of static and…

A: Given: mass of box, m = 12 kg  coefficient of kinetic friction, μk = 0.444 coefficient of static…

Q: 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…

A: Given Data Height of the person is h=1.60 m Mass of the book is m=1.65 kg Final height of the book…

Q: In Figure, a chain is held on a frictionless table with one third of its length hanging over the…

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Q: Matthew pushes a box of toys along a 5 m long ramp that is inclined 3 m high as shown in the figure…

A: Work done is defined as the product of the applied force and the displacement in the direction of…

Q: B) 3.20 m 9.00 m

A:

Q: The three ropes shown in the bird's-eye view of the figure are used to drag a crate 2.9 m across the…

A:

Q: A child pulls on a wagon with a force of 75 N. If the wagon moves a total of 30 m in 2.0 min, what…

A: Given , Force = 75 N Displacement s = 30 m Time = 2 minutes

Q: A 300-g object slides 80 cm in a straight line along a horizontal tabletop. How much work is done in…

A: Given:mass, m = 300 gm = 0.3 kgslides distance, d = 80 cm = 0.8 mco-efficient of kinetic friction,…

Q: A motorized winch is being used to pull a felled tree to a logging truck. The motor exerts a force…

A: Given: The force is fx=1500+10x-12x2 lb. The distance moved is 40 ft.

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: A 1400 kg car accelerates from 5 m/s to 10 m/s. The net work done by the car is V2 500 J 200 J 300…

A: Given, Mass of car m = 1400 Kg Initial velocity of  the car u = 5 m/s Finial velocity of the car v =…

Q: 0.170 kg hockey puck was sliding across the ice at 1.5 m/s. Estrella pushed the puck in the same…

A:

Q: A stone with a mass of 2.40 kg is moving with velocity (5.20î – 1.80ĵ) m/s. (HINT: v2 : () What is…

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Q: A person pulls a 20 kg heavy box horizontally, which slides at a constant speed. The person makes a…

A: Given data: The mass of crate is m=20 kg. The maximum force applied is F=60 N. The distance traveled…

Q: Q45) A 8 kg box is moving horizontally at 6 m/s. To change its speed to 10 m/s, the net work done on…

A: Given a box of mass m=8 kg which is moving horizontally with a velocity of v1= 6 m/sec. Its speed is…

Q: What is the total work of an individual (65kg) walking up a flight of stairs (12 stairs), with each…

A:

Q: A horizontal force of 5 N is required to maintain a velocity of 2 m/s for a block of 10 kg mass…

A: Given data : Force=F Mass=m time=t Velocity=V   TO FIND : Work done

Q: A student carries a bag weighing 5 kg from the ground floor to his class on the first floor that is…

A:

Q: A skier with a mass of 88 kg hits a ramp of snow at 10.95 m/s and becomes airborne. At the highest…

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Q: A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the…

A: As object is moving horizontally, potential energy will remain constant. From work energy theorem,…

Q: What is the kinetic energy of a 12 000 kg truck moving at a speed of 25 m/s? Select one: a. 3.8 x…

A: We know Kinetic energy is given by : K.E.=12mv2 And Given : m=12000 Kg v =25 m/s

Q: A 20-N force is applied horizontally on a box to move it 10 m across a frictionless surface. How…

A:

Q: A 41.00 kg block starts from rest at the top of a 25.0 m long 30.0° incline. Its kinetic energy at…

A:

Q: A man pushes an 80-N crate up a frictionless slope that makes an angle of 30° with the horizontal.…

A: According to Bartleby guidelines we can only solve the first question at a time.. Kindly post the…

Q: A 7 kg block is moved up a 25 degree incline by a force of 69 N, parallel to the incline. The…

A:

Q: A roller coaster of mass 800 kg is moving with a speed of 20.0 m/s at position A. At position C, the…

A: Given: The mass of the roller coaster is 800 kg. The final velocity of the roller coaster is 27 m/s.…

Q: Three forces, F1 = 20.0 N, F2 = 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg…

A:

Q: Three forces, F1 = 20.0 N, F2 = 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg…

A:

Q: A force moves an object in the direction of the force. The graph in the figure shows the force…

A: force versus displacement graph is given for object in motion . the force is plotted along y axis…

Q: If gravity is pulling a 0.15 kg ball down 2.0 meters, what is the magnitude of the force doing work…

A: Given: The mass is 0.15 kg. The distance covered is 2.0 m.

Q: A man pulls a box weighting 40 N a distance of 10 m across the floor at constant speed. How much…

A:

Q: A woman uses a pulley and a rope to raise a 20 kg weight to a height of 2 m. If it takes 4 s to do…

A: mass, m = 20 kg  height, h = 2 m  time, t = 4s  The formula for energy is  E = m g h  The power is…