A 60.7-kg skier coasts up a snow-covered hill that makes an angle of 23.7 ° with the horizontal. The initial speed of the skier is 9.77 m/s. After coasting a distance of 1.21 m up the slope, the speed of the skier is 3.57 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force?

Q: A machine carries a 8.0 kg package from an initial position of d ; = (0.6 m) i + (0.79 m)j + (0.26…

A: Given: di=0.6m i^ + 0.79m j^ + 0.26m k^df=10.5m i^ + 15.0m j^ + 10.2m k^∆t = 15 sF = 4.0N i^ +7.0N…

Q: U(J) 30 20 5 メレ x (m)

A: The work done on an object under the action of a single conservative force F is equal to the…

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A: Given that the value of force and mass and also given the angle then we have to determine the value…

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A:

Q: Consider a system of an 85.0 kg man, his 19.5-kg dog, and the earth. The gravitational potential…

A:

Q: A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to…

A:

Q: 8. MA block of mass m = F 2.50 kg is pushed a dis- tance d = 2.20 m along a %3D frictionless…

A:

Q: An object with a mass of 4 kg is initially at rest on a horizontal floor. It is then pushed in a…

A: Given: The mass of the object is 4 kg. The initial speed of the object is 0 m/s. The applied force…

Q: *Chapter 7, Problem 19 In the figure here, a block of ice slides down a frictionless ramp at angle…

A: Given data: Force, F=59.0 N Distance, d=0.540 m

Q: A hockey puck of mass 0.25 kg is sliding along a slippery lake with an initial speed of 60 m/s. the…

A: Given that Mass m = 0.25 kg Initial speed u = 60 m/s Coefficient of friction μ = 0.030 Final speed V…

Q: Chapter 07, Problem 047 A machine carries a 7.0 kg package from an initial position of d; = (0.7 m)…

A: The work done by a body is the scalar product of the force applied and the displacement of the body.…

Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…

A: in this question  we use simple work equation.

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A: Given data The weight force of the box is F = 1 N. The horizontal distance traveled by the box d = 2…

Q: A luge and its rider, with a total mass of 74.0 kg, emerge from a downhill track onto a horizontal…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: In the figure here, a block of ice slides down a frictionless ramp at angle θ=56.0 ˚ while an ice…

A: The work done by the applied force,

Q: A block of mass m 2.50 kg is pushed a distance d= 2.20 m along a frictionless horizontal table by a…

A: a)Work done is calculated for the above arrangement as,

Q: A 350 kg sofa slides 2.5 m down a 30° incline and who is pushing back on it parallel to the incline…

A: Given:- The mass of the sofa m = 350 kg  The sliding length L = 2.5 m  The angle of the incline is…

Q: A force F = (7.10N)Î + (4.00 N)ĵ + (5.00 N) k acts on a 1.70 kg mobile object that moves from an…

A:

Q: How much power is required to lift a heavy solid concrete beam with mass 60.21 kg upward with a…

A:

Q: lock of mass m = 2.9 kg is placed on a rough incline surface making an angle θ = 13.8°  with…

A:

Q: When a father takes his daughter out for a spin in a stroller, he exerts a force F>with a…

A:

Q: In the figure, a 0.25 kg block of cheese lies on the floor of a 970 kg elevator cab that is being…

A: The normal force on the block,

Q: The initial velocity of a 3-kg particle is (1 i- 3 j) m/s. After some time, the velocity becomes (4…

A:

Q: A luge and its rider, with a total mass of 76.0 kg, emerge from a downhill track onto a horizontal…

A: The free body diagram shows the forces exerted on the luge and its rider.

Q: A man pushes an 80-N crate a distance of 5.0 m upward along a frictionless slope that makes an angle…

A: Step 1Let the force with which man pushes a crate is given as F and the distance is given as d. It…

Q: In Figure, a block of ice slides down a frictionless ramp at angle 0 = 52° while an ice worker pulls…

A:

Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_0. If the…

A:

Q: A 2.5 kg mass is initially at rest on a horizontal surface. An applied force acts in the +x…

A: According to work energy theorem,

Q: Consider the nonuniform force F = (5.00 i + y² j) , where F is in newtons and y is in metres. A…

A:

Q: The only two forces acting on a 2-kg particle are: F = (3î - 4j) N and F,. The particle moves in the…

A:

Q: An object with a mass of 3 kg is initially at rest on a horizontal floor. It is then pushed in a…

A:

Q: If the net work done by external forces on a particle is zero, which of the following statements…

A: The work-energy theorem states that the net work done by the object will be equal to the change in…

Q: A uniform force of (3i + j) N acts on a particle of mass 2 kg. Hence, the particle is displaced from…

A:

Q: A luge and its rider, with a total mass of 76.0 kg, emerge from a downhill track onto a horizontal…

A:

Q: 28. Ssscalar. A box of mass 20.0 [kg] slides down from the top of a surface inclined at 50.0° with…

A: mass = 20 kg θ = 50oh = 10 m μk = 0.35

Q: The only force acting on a 4.2 kg canister that is moving in an xy plane has a magnitude of 3.6 N.…

A: According to the work-energy theorem, the change in the kinetic energy of the canister equals to the…

Q: It takes a force of 35 N to stretch a 45-cm spring to 90 cm and hold it there. How much work was…

A: Given data : Initial force = 0 N Final force = 35 N Initial stretch in spring = 45 cm = 0.45 m Final…

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A: Mass of a truck,

Q: Chapter 07, Problem 015 GO The figure shows three forces applied to a trunk that moves leftward by…

A:

Q: The figure below shows an overhead view of three horizontal forces acting on a cargo canister that…

A: The force diagram of the system is shown below:                                             The…

Q: A dog (of mass 50 kg) is happily sliding down a hill that has a coefficient of kinetic friction of…

A:

Q: A machine carries a 4.5 kg package from an initial position of d, - (0.50 m)î + (0.75 m)î + (0.20…

A: The work done by a force to move a body by a certain distance is given by W = F.s, where F = the…

Q: iđ¢ = (2.80 m)î + (8.50 m)j +(4.40 m) k in 1.70 s. A force F = (7.1ON)Î + (4.00 N)} +(5.00 N)k acts…

A: Given: di = 3.70 i^+8.1 j^+2.0 k^df=2.80 i^+8.5 j^ +4.4 k^

Q: The figure here shows an overhead view of three horizontal forces acting on a cargo canister that…

A: This question is based on work done due to constant force.