A 1500-kg automobile moves at a constant speed of 60 MPH across a 10-m inclined surface. What is the net work  done in the process?                                                                                                                                         a. 150,000 J          b. 200,000 J                      c. 300,000 J           d. can’t be determined due to incomplete information

Q: How much work do the breaks on a 3200 kg car need to do in order to slow it from 30 m/s to 20 m/s?

A: Given mass m=3200Kg V1=30m/s V2 = 20m/s According to work energy theorem work done by the car is…

Q: box slides down a surface that is inclined at 53° below the horizontal. The coefficient of kinetic…

A: Givenm=8 kgθ=53°μk=0.4

Q: A worker pushes a sled with a force of 50 N over a level distance of 10.0 m. If a frictional force…

A: Concept of Net work done on an object moving on frictional surface: A frictional surface causes an…

Q: A 5 kg book is held 10 meters above the floor. How much gravitational potential energy does it have?…

A: Mass(m) = 5 kg Height(h) = 10 m Potential energy (E) = mgh g = gravitational acceleration g = 9.8…

Q: An accelerating object of mass m=2 kg is fired with an initial speed v=8 m/s at a starting point. If…

A: Given data: Mass m =2 kg Velocity v=8 m/s2. Final Kinetic energy =268 J

Q: How much work (in J) must be done to lift a stack of bricks, which has a mass of 50 kg, from the…

A: Given data The given mass is m=50 kg The height is h=8 m The accleration due to gravity is g=10 m/s2…

Q: A person pushes the wall with a force of 53N . How much work the person is doing on the wall.   A.…

A:

Q: 13. Through what vertical distance does the block rise as it slides up to its highest point on the…

A: Given: Mass,m=500g=500×10-3kgAcceleration due to gravity,g=9.8m/s2Coefficient of kinetic…

Q: A 45 kg skier starts from rest and skies down a hill that is angled at 17 degrees from horizontal.…

A: Work done is given as the dot product of force vector and displacement vector . Also according to…

Q: A 13 kg mass object initially has 2500 J of kinetic energy. -1200 J of net work is then done on the…

A: Given: The mass of the object is 13 kg. The initial kinetic energy of the object  is 2500 J. The net…

Q: A child lifts a 5 kg box up from the floor. The child then carries the box with constant speed of 1…

A: Given : m = 5 kg v = 1 m/s

Q: 3.Starting from the rest and height of 8 m, a 3 kg object slides down a 30° m incline, reaching the…

A:

Q: A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ?  use g…

A: Given, mass of the bird m = 5.5 Kg Height on which bird flying h = 12 m We know the expression for…

Q: How much Gravitational Potential Energy does 5000 gallons (18,925 kg) of water have in a 50 meter…

A: Solution: Given that mass of water m = 18925 kg height from the earth surface = 50 m

Q: A 240 kg cable that is 100 m long hangs vertically from the top of a tall building. a. How much work…

A:

Q: what is the kinetic energy in joules of a 1120-kg automobile traveling at 88 km/h?   2. how much…

A: Given, Mass, m = 1120 kg Speed, v = 88 km/h = 88×518=24.44 m/s

Q: What is the work done by the normal force FN ? A. F,dcos(30) B. F dcos(45) C. F dcos(60) D.…

A: Let FN denotes the work done by the normal force and d denotes the displacement of the block along…

Q: A 5 kg block is set into motion at a rough inclined plane by angle 30 with an initial speed of 8 m/s…

A: Part-a Given: The mass of the block m = 5 kg. The inclination angle of the incline θ = 30o. The…

Q: Calculate the work done by the force of gravity when a 7.0 kg object is lifted to a height of 46.0 m…

A:

Q: A box is pulled 2.0 meters along a rough surface at constant velocity using 100 N of force inclined…

A:

Q: What is the minimum amount of work needed to lift a 3 kg box 2 meters? a. 60 J b. 5 J c. 15 J d. 120…

A: Mass, m = 3 kgHeight, h = 2 mWork done, W = ?

Q: 1. A 50 kg sled is pushed by applying a force F = 400 N, as shown, with @= 30°. The surface is rough…

A: Hi, you have submitted multiple subpart questions and it is not specified which parts problem you…

Q: A 5.0-kg block that initially has a speed of 6.0 m/s is moving in a straight line on a level surface…

A: Concept Work done by all forces is equal to change in kinetic energy Since only frictional force is…