A 1220-kg car moves at 21.0 m/s. How much work Wnet must be done on the car to increase its speed to 31.0 m/s? Waet=
Q: A- A kg sled is pulled across level snow with a force of 225N on a rope that is 35 degrees above the…
A: Required : Work done, Power.
Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…
A: Work done by boy W= mgh Given that m= 5kg h= 0.7m
Q: A 900 kg car cruises for a distance of 380 meters by applying a force of 2700N against 900N of…
A: Given data: Mass (m) = 900 kg Displacement (d) = 380 m Applied force (F) = 2700 N Frictional force…
Q: A crane slowly lifts a 215 - kg crate a vertical distance of 19 m. V mg F W crane (a) How much work…
A: Given data: Mass (m) = 215 kg Vertical distance (h) = 19 m Required: The work done by crane,…
Q: A 150-lb. person climbs a rope at constant velocity of 2.00 ft./s in a period of time of 10.0 s. (a)…
A: Since more than two questions are asked , solution for the first one is provided here.
Q: Check my workc The force that must be exerted to drive a nail into a wall is roughly as shown in the…
A:
Q: 4. In a time t=18.00 s, a 60.0-kg student runs at a steady pace up two flights of stairs whose…
A: Given data: Time (t) = 18.00 s Mass (m) = 60.0 kg Vertical height (h) = 7.80 m Required: Power…
Q: A 1270-kg1270-kg car moves at 23.0 m/s.23.0 m/s. How much work ?netWnet must be done on the car to…
A: the change in kinetic energy of the given system is ∆KE=12mvf2-vi2=12mvf2-vi2=121270 kg31 m/s2-23…
Q: 7. A 90.0 kg man pushes on a 5.0 x 106 ton wall for 350 s but it does not move. How much work does…
A:
Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…
A: Given data: Mass (m) = 65.0 kg Distance (d) = 5.00 m Frictional force (f) = 75.0 N g = 10.0 m/s2…
Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…
A: To solve the problem we will use work-energy theorem. Given Data Mass of the cabinet is m=65.0 kg…
Q: In the diagram, the angle of the incline is 0 = 28°. Although a 27_N horizontal force is applied to…
A: Introduction: Force is the vector quantity. Fundamentally it can be represented as, product of mass…
Q: A 4.50 kg block is acted on by a 20.9N net force. If the block starts from rest, then at the end of…
A: Given Data :mass of block m = 4.5 kgmagnitude of Net force F = 20.9 Nlet force acts in n^ hence F→…
Q: . A 6N force acts on a 5kg mass over a distance of 3m. What is the work done on the object? If the…
A:
Q: A child pulls a sled upon snow covered hill. The child dose 120 J of work on the shed . If child…
A: Given data : Distance covered = d Work done = w…
Q: How much work (in J) is done by gravity when dead lifting a 100.0 kg barbell 93.26 cm from the floor…
A:
Q: Find the work done by 45N force in pulling the suitcase at an angle of 50d egrees with respect to…
A:
Q: A sled is given a push across a horizontal surface. The sled has a mass m, the push gives it an…
A: Given Data: Mass of the sled = m.Initial speed of the sled (v) = 3.40 m/s.Coefficient of kinetic…
Q: A0.118-kg ball is thrown upward with an initial speed of 27 m/s , Calculate the gravitational…
A: mass of ball (m) = 0.118 kg Initial upvards velocity (v) = 27 ms
Q: Needs Complete solution with 100 % accuracy. Don't use chat gpt or ai. Plz plz plz.
A: Step 1: here we have calculate the output power Step 2: here we have calculate the input power Step…
Q: A 5.0kg cart is moving at a speed of 6.0m/s and accelerates to a final speed of 10.0m/s. How much…
A: According to the Work-energy theorem, the work done by a force is equal to the change in the kinetic…
Q: A force of 434.0 N is exerted on a 1,250 N car while moving it a distance of 2.65 m. How much work…
A: Express the relation for the work done on the car. W=Fd Here, W is the work done, F is the force…
Q: A body of mass 30 kg is at rest. A force of 5 N is applied on it. Calculate the work done in first…
A: According to Newton's 2nd law, the force will create an acceleration in the body. The acceleration…
Q: In the figure, a constant force F of magnitude 85.0 N is applied to a 4.0 kg shoe box at angle -…
A: Fa = 85 N ϕ = 53overtical displacement (h) = 0.45 m mass = 4 kg
Q: A chain 35.9 m long and weighing 47.5 N/m hangs from a drum on which it is to be wound. Determine…
A:
Q: The figure below shows a person pushing a box with a force (F) of 28.4 N over a displacement of 5.1…
A: The work done W by a force F→ in producing a displacement d→ is: W = F→·d→ = Fdcosθ Here θ is the…
Q: A cable pulls an 267 kg safe up a slope inclined at 19 °, for 20 m on an very slippery oily surface.…
A: a) The normal force acting on a safe will be perpendicular to the inclined surface and the safe will…
Q: An assistant fills his cart with items to be stacked on the racks of a supermarket. The cart the…
A:
Q: A man pulls a box weighting 40 N a distance of 10 m across the floor at constant speed. How much…
A: Frictional force acting against the pull is Ffriction = u N Where, u is the coefficient of kinetic…
Q: Rosie lifts a trunk weighing 480.0 N up 1.400 m. If it takes her 15.00s to lift the trunk, at what…
A: Given data: Force (F) = 480.0 N Distance (d) = 1.400 m Time (t) = 15.00 s Required: Power (P)
Q: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…
A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ
Q: 3. A record was set for stair climbing when a man ran up the 2500 steps of the Empire State Building…
A:
Q: An eighteen-wheeler truck of mass 42.0x10 kg moves a speed of 32.0 m/s on a highway. Determine (a)…
A:
Q: Given the ilb stration on the right, compute the work done by the following: a. Tension (. b.…
A:
Q: A man pushes a cart 25m at a constant speed on ground level, against a 36N frictional force. He…
A: Given distance=25m frictional force=36N θ=28.50 Work done by the friction…
Q: UP A 46.00 kg block starts from rest at the top of a 25.0 m long 30.0° incline. Its kinetic energy…
A:
Q: An elevator has a mass of 1300kg. What force in newtons must be applied to the elevator cable to…
A:
Q: Question: The book from problem 1 is then allowed to slide down a straight ramp which makes a 26.0o…
A: The distance to which the book is raised can be calculated using the formula of work done. W=F·d125…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
