#2. A car on a level road turns a quarter circle counter-clockwise. Static friction force causes the centripetal acceleration. Work done by static friction is A) positive B) negative C) zero

Q: The (non-conservative) force propelling a 1.60 x 103-kg car up a mountain road does 6.10 x 106 J of…

A: The mass of the car, m = 1.60×103 kg The work done by the non-conservative force propelling the car,…

Q: 17. GO A water-skier is being pulled by a tow rope attached to a boat. As the driver pushes the…

A: The given values are,

Q: Initially travelling at 60m/s, a truck's total mass of 2100kg, hits on the brakes and slips to a…

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Q: 2. A block of mass m = 4.60 kg is released from rest from point circled A and slides on the…

A: In this question we have to find the speed of the block at points B and C. Please give positive…

Q: 34. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (µj = 0.20) at…

A: Mass of sled along with passenger is M = 50 kg Coefficient of friction uk = 0.20  Θ = 25 o

Q: 14 A flight attendant pulls her 70.0 N flight bag a distance of 253 m along a level airport floor at…

A: Given data The weight of the flight bag is: W = 70 N The distance moved by the attendant is: d = 253…

Q: A body is launched with velocity v0 = (11.05 ± 0.03) m / s on a horizontal surface with friction…

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Q: Does the centripetal force acting on an object in uniform circular motion do work on the object?…

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Q: 7. A block of mass, m 4kg is pu %3D frictionless, horizontal table by a cons 20N directed at an…

A: Given: Given that,Mass of the block m=4 kg, distance d=5 m, Force F=20 N directed at an angle θ=30°…

Q: 29.A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25° below…

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Q: A different car accelerated from 0.12 m/s to 0.52 m/s. The acceleration of the car was 0.040 m/s2.…

A: Initial speed of the car is u = 0.12 m/s Final speed of the car is v = 0.52 m/s Acceleration of the…

Q: A different car accelerated from 0.12 m/s to 0.52 m/s. The acceleration of the car was 0.040 m/s2.…

A: Given: The initial velocity of the car is 0.12 m/s. The final velocity of the car is 0.52 m/s. The…

Q: 1) Calculate the work done on the sled by the tension during this displacement of the sled. A) OJ B)…

A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: 2. Calculate the work done by a 2.0-N force (directed at a 80° angle to the vertical) to move a 500…

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Q: A 27-kg box is being moved 16.0 m up a ramp, inclined at 25° from the horizontal. Two forces are…

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Q: Describe the gravitational potential energy transfers and transformations for a javelin, starting…

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Q: 3. An 8.5 kg package in a mail sorting room slides 2.0 m down a chute that is inclined at 53.0°…

A: Given The mass of the package is m=8.5 kg. The distance travel by the package is d=2 m. The angle…

Q: A 200-N child is in a swing that is attached to ropes 2.20 m long. Find the gravitational potential…

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Q: The model airplane in Figure 5.6 is flying at a speed of 20.0 m/s on a horizontal circle of radius…

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Q: 4a) How much work is required to accelerate a 50.0 kg box along a flat, frictionless horizontal…

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Q: A 5.00-kg object moves clockwise around a 50.0 cm radius circular path. At one location, the speed…

A: Given data-                 mass of object m=5.00 kg                 initial speed of the object…

Q: 12. When you go upstairs, you a. do more work when you walk than when you run b. do less work when…

A: 12.) Work depends on force and displacement only as force acting during running or walking is weight…

Q: A sports car with a mass of 1,385 kg is at rest on a flat, horizontal road. 5.4 s later, that car is…

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Q: 8. A dog team exerts a horizontal force to a sledge weighing 5000 N including load. It is pulled on…

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

Q: ON Scale records tension

A: Given: Speed of model airplane (v1) = 12.6 m/s. Mass of the model plane (m) = 0.884 kg. Initial…

Q: A 2.5 kg metal ball hangs at the end of a 3-meter cord. The metal ball is pulled until the rope…

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Q: Pulley 151° 72.5 35 kg kg Bench = 0.66 0.325 -Three objects are connected by weightless flexible…

A: Coefficient of friction between the 72.5 kg block and the bench are (μs)=0.66 (μk)=0.325…

Q: Question 5 A 1000kg F1 car is on the start-finish straight heading to the first corner at 192mph.…

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Q: #15 A person pushes a m = 2.00 kg carton a distance d= 7.20 m along the floor by a constant force of…

A: mass of carton (m) = 2 kg distance moved (d) = 7.20 m Force applied (F) = 10 N Angle below the…

Q: 5. Find the work done by the force (F = 100 N) on moving the object 50 m. The coefficient of kinetic…

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Q: 4. A frictional braking force is applied at an angle on an object. The frictional braking force is…

A: Given: The magnitude of the frictional force is 500 N. The displacement of the object is 20 m. The…

Q: A 3-kg ball is projected upward with an initial velocity that makes an angle 850 with the…

A: Given data: Mass of the ball, m=3 kg Angle with the horizontal, θ=850 Height of the shelf, h=2 m

Q: An automobile weighing 5000 N is driven down a 7° incline at a speed of 88 m/s as shown in the…

A: Given : Weight of vehicle, W= mg = 5000 N Initial Velocity of the vehicle, v = 88 m/s Final velocity…

Q: A car (m = 1.39 x 103 kg) accelerates uniformly from 3.75 to 18.5 m/s in 7.50 sec. Assume that a…

A: Mass of the car = m = Initial velocity = Final velocity = Time = t = 7.5 s Part A. According to…

Q: 5. What is the change in gravitational potential energy of the apple if it falls the amount shown?…

A: The change in gravitational potential energy is given by mgh. PE=m x g x h

Q: 4- In the friction (µki = 0.5 and µi2 = 0.6) inclined plane system (a 28º) in the figure, two…

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Q: 7. You increase the amount of work being done on a box when you A. increase the distance to where…

A: According to guidelines we are allowed to solve only  3 MCQs, please post the others in the next…

Q: Determine the work done by the constant force. The locomotive of a freight train pulls its cars with…

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Q: 8. A block slides along a rough incline. Its total mechanical energy (E) and potential energy (U)…

A: when the body moves on an inclined surface, the work done by the body by frictional force is a…

Q: A block of mass m is placed on a rough incline surface making an angle 0 = 28.3• with horizontal. A…

A: GivenInclined surface angle (θ)=28.3°Force (F) acting parrallel to ground= 11.9NBlock moved Distance…

Q: 4. In which scenario below does the ball have more gravitational potential energy when sitting at…

A: We know,   Potential Energy = Mass(m)* g * Height(h) since, in both the cases the ball is at the…

Q: **70. A 1900-kg car experiences a combined force of air resistance and friction that has the same…

A: if we assume that the power needed to move up hill is Pup and and Pdown is the needed to sustain the…

Q: A person pulls a 50-kg crate along a horizontal floor by a constant force Fp=100N, which acts at a…

A: Given data The mass of the crate is given as m = 50 kg. The constant force is given as Fp = 100 N.…

Q: A 500-gram ball thrown vertical upward from the surface of earth with the initial velocity 10 m/s2.…

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Q: All questions on this assessment use the same scenario: A team of sled dogs pull a 50.00 kg dogsled…

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