A car of mass 1563 kg moves up a mountain road with the help of a non conservative force that does 7.4 x106 J of work on the car.  It starts from rest at sea level and has a speed of 29.7 m/s at an altitude of 317 m above sea level. Obtain the work done on the car by the combined forces of friction and air resistance, both of which are non conservative forces.

Q: A gardener pushes a lawn roller through a distance of 25m. If he applies a force of 20N in a…

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Q: .An advertisement claims that a certain 1300 kg car can accelerate from rest to a speed of 25 m/s in…

A: Please see the answer below

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Non-conservative forces are dissipative forces. These forces take energy away from the system as the…

Q: A single force acts on a 3.2 kg particle-like object in such a way that the position of the object…

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Q: An object of mass 4.0 kg starts at rest from the top of a rough inclined plane of vertical height…

A: The mass of the object, m=4.0 kg   The vertical height, h=10 m   The spring constant, k=200 N/m…

Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

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Q: A man pushes a 8 kg object a distance of 5.0 m upward along a frictionless slope that makes an angle…

A:

Q: An archer pulls his bow string back 0.40 m by exerting a force that increases uniformly from zero…

A: displacement of string pulled by archer, s = 0 40 m Initial force applied, Fi = 0  Final force, Ff =…

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Solution:-work done by Non conservative force w1=-40 Jwork done by conservative force w2=60 J

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Given: Mass of the object, m = 50 kg Displacement, S = 25 m  Force, F = 600 N  Initial velocity of…

Q: A single force acts on a 4.0 kg particle-like object in such a way that the position of the object…

A:

Q: A single force acts on a 3.0 kg particle object whose position is given by x= 3.0t-4.0t^2+.5t^3,…

A: The mass of the particle m=3.0 kg The position of the particle x=3.0t-4.0t2+.5t3 The velocity of the…

Q: A cart holds a mass of 5.75kg from an initial position of di=(0.1m)i^+(0.2m)j^+(0.3m)k^ at t=2 sec…

A: Work w= 18 joules Power = 2.25 watt

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Answer  option(A) the potential energy of object decreases,mechanical energy decreases

Q: A block of mass m = 7 kg is placed on a rough inclined surface making an angle of 0 = 32° with the…

A: Draw the free-body diagram of the block.

Q: A block of mass m= 5 kg is pulled along a frictionless horizontal path by a force F = 2 N making an…

A:

Q: Discuss whether any work is being done by each of the following agents and, if so, whether the work…

A: We know,  Work(W) = Force(F). Displacement(S) (a)No work, since displacement is zero. (b)No work,…

Q: When the velocity of an object with mass 0.57 kg changes from 1.16 m/s to 0.32 m/s by the force F,…

A:

Q: As a woman carries her suitcase up a flight of stairs, she does work against gravity. If the mass of…

A: mass of suitcase (m) = 10 kg Height of stairs (h) = 12 m g = 9.8 ms2

Q: A 61.0-kg skier starts from rest at the top of a ski slope of height 66.0 m . If frictional forces…

A: Given: mass (m) = 61 kg height of the slope (d) = 66 m work done by friction (W) =-1.06 x 104 J…

Q: In the figure, a 0.24 kg block of cheese lies on the floor of a 950 kg elevator cab that is being…

A: (a)The net force on the block is,

Q: The goal of a worker is to slide a m=20-kg crate up a L=2.5 m-long inclined at θ=25°. The worker was…

A:

Q: A leaky bucket, which weighs 2 N empty and initially has 10 N worth of water in it, is lifted into…

A: Work done will be equal to change in the potential energy of the bucket. Let the potential energy at…

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: A single force acts on a 3.1 kg particle-like object in such a way that the position of the object…

A: According to the work energy theorem,

Q: If 39000 J of work is done on a 520 kg object to accelerate it from rest, then use the Work-Energy…

A:

Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

A: The force on a particle directed along x axis is given by,

Q: An object of mass 2.3 kg is subjected to a force F, that varies with position as in the figure shown…

A: Workdone can be calculated from the area of a force vs displacement graph.

Q: A can of sardines is made to move along an x axis from x = 0.20 m to x = 1.24 m by a force with a…

A: Given:- A can of sardines is made to move along an x-axis from x = 0.20 m to x = 1.24 m by a force…

Q: A particle was subjected to a force F, that varies with position as described by 375 F where F is in…

A:

Q: Find the work done by a force F = 1.80 î+2.20 ↑ N as it acts on an object moving from the origin to…

A: Given that:- Force=1.8 i^+ 2.2 j^

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 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

A:

Q: A typical muscle fiber is 2.0 cm long and has a cross-section area of 3.1 x 10-9 m2. When the muscle…

A: The expression for the work done by the muscle fiber is given by, W=F∆L The value for the change in…

Q: In the figure shown, if the mass (m=7 Kg) is moving with constant speed and traveled a distance d=10…

A:

Q: A 2.2 kg object slides across a horizontal surface with an initial speed of 6.34 m/s. If the object…

A: Answer:  WFμ=-44.21 Joules Explaination: As the object comes to rest the kinetic energy is…

Q: how much work does Ryan to dom to lift a 2.0 x 101 Kg bag of potatoes to his shoulder, 1.7 m above…

A: Given Mass of the bag m = 2.0 x 101 kg Height h = 1.7 m

Q: A 28 kg air compressor is dragged up a rough incline from r1=1.9i+2.2j m to r2=9i+1.4j m, where the…

A: The expression for the work done by the gravity is W=mgh       h-displacement along y axis=28 kg-9.8…

Q: Pushing a heavy box of 100 N up along a frictionless slope, the speed decreases at a rate of 1 m/s?.…

A:

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A:

Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

A: Given: Force F = 40 N. Angle = 35o Distance ∆x = 30 m To determine: Work done Formula used: W = F ×…

Q: A force = (8x + 7y ) N acts on an object as if moves in the x direction from the origin to x = 7.00…

A: Let the work done is given by W Let the force acting on the object is given by F Let the…

Q: A four-horse carriage is accelerating by 6 m/s every three (3) seconds, carrying a total load…

A:

Q: Consider again pulling a 60 m rope up a cliff face, where the rope has a mass of 66 g/m. At what…

A:

Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A: