A man pushes a cart 25m at a constant speed at ground level, against a 36N frictional force. He pushes in a direction that is 28.5 degrees below the horizontal. Find the force the shopper exerts (in N), using energy considerations.

Q: Calculate the work done (in J) by an 80.0 kg man who pushes a crate 3.95 m up along a ramp that…

A: Given that - Mass of the man Angle Distance Force To Find - We have to determine the work done by…

Q: How long would it take a  2.5*10^5 airplane with engines that produce  135MW of power to reach a…

A: Given,

Q: A 129 kg block us pulled at a constant speed of 4.3 m/s across a horizontal floor by a force of 138…

A:

Q: Calculate the work done (in J) by an 80.0 kg man who pushes a crate 3.95 m up along a ramp that…

A:

Q: A 2500-N force is used to pull a cart at 30° against the horizontal in 10.0 minutes. If the power…

A:

Q: You push a supermarket cart 17 m at constant speed on level ground, against a 20.7N frictional…

A:

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 single conservative force acts on a 4.90-kg particle within a system due to its interaction with…

A: Given data, Mass of the particle = 4.90 kg Force, Fx=2x+4 Also, x = 0.92 m to x = 6.45 m

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: A 53.2-kg skateboarder starts out with a speed of 2.33 m/s. He does 85.8 J of work on himself by…

A:

Q: A shopper pushes a grocery cart 39.12 m on level ground, against a 29.95 N frictional force. The…

A: Given , magnitude of displacement is∆r = 39.12mMagnitude frictional force is f= 29.95NMass of cart…

Q: On what basis would you classify energy sources as(a) renewable and non-renewable?(b) exhaustible…

A: (a)The energy sources which can be restored or regenerated are called renewable source of energy,…

Q: A 55.2-kg skateboarder starts out with a speed of 1.94 m/s. He does 85.6 J of work on himself by…

A: The work energy theorem for nonconservative force is:-  Wnc =  ΔK E + ΔP E ΔK E IS THE CHANGE IN…

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 weight W is accelerated from rest by a constant force, F, through a distance d across a…

A:

Q: A 54.2-kg skateboarder starts out with a speed of 1.89 m/s. He does 81.8 J of work on himself by…

A: Given Data: The mass of a skateboarder is, m=54.2 kg The initial speed of a skateboarder is, u=1.89…

Q: A 4 kg crate sitting on a horizontal surface is pushed 30 m by a force of 6N applied at an angle of…

A: Given- Distance covered by crate (S) = 30 m Applied force (F) = 6 N Force appled at an angle (θ) =…

Q: As a pickup truck travels along a level stretch of road with constant speed, most of the power…

A: In this question we use power equation with speed and force.

Q: a 1: A shopper in a supermarket pushes a cart with IC force of 35.0 N directed at an angle of 25.0°…

A:

Q: A constant force of 53.5 N, directed at 34.1o from horizontal, pulls a mass of 13.9 kg horizontally…

A:

Q: Calculate the power output needed for a 952-kg car to climb a 2.00° slope at a constant 33 m/s while…

A:

Q: A block with m = 1kg moves up an incline (0-30°) with an initial speed of 10 m/s. Vo (a) If there is…

A: Given data: Mass of block is, m=1 kg . Angle of inclination is, θ=30∘. Initial speed of bock is,…

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: Mr. M does 965J of work pulling a friend along a horizontal surface for 45.3m. There is a frictional…

A: Given:- Mr. M does W= 965J of work pulling a friend along a horizontal surface for r= 45.3m. There…

Q: Calculate the work done (in J) by an 80.0 kg man who pushes a crate 4.20 m up along a ramp that…

A:

Q: How far can a mother push a 20.0 kh baby carriage, using a force of 48 N at an angle of 48° to the…

A:

Q: 17.25) Compute the power required to overcome drag on a  truck with a drag coefficient of 0.75 when…

A: Given DataCd=0.75V=65kmph=18.056m/sT=40°Cw=8fth=12ftA=8×12=96ft2

Q: Estimate the energy density (MJ/m3) of a pumped hydro store  that is 100 m above its power station.…

A:

Q: Calculate the work done by an archer in pulling a bow if she pulls her bowstring back 0.455 m by…

A:

Q: An elevator has a mass of 1300kg.  What force in newtons must be applied to the elevator cable to…

A:

Q: At what height hh above the horizontal conveyer did the pallet begin sliding from rest?

A: As per the conservation law of energy, Here, E, K, U, m, g, and h represent the pallet’s total…

Q: Calculate the work done (in J) by an 80.0 kg man who pushes a crate 4.15 m up along a ramp that…

A:

Q: A 61.8-kg skateboarder starts out with a speed of 1.75 m/s. He does 80.4 J of work on himself by…

A: According to this theorem, the total work done on an object is equal to the change in its energy.…

Q: A 4 kg crate sitting on a horizontal surface is pushed 30 m by a force of 6N applied at an angle of…

A: