How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 kmhkmh?

Q: A poor guy pulls a 10-kg luggage along a level boulevard for 5 m by exerting a force of 35N at an…

A: Given data: Mass of luggage is, m=10 kg. Distance travelled is, s=5 m. Magnitude of force is, F=35…

Q: A block of 3.00 Kg slides down a frictionless inclined plane that forms 200 with the horizontal. If…

A:

Q: a block with mass m=20 kg pulled on horizontal surface , bulled by external force by 1000 N as shown…

A: Frictional force=μmg where μ=coefficient of friction m=mass of body Work done by force=F.X where…

Q: If it takes 4.00 J of work to stretch a Hooke's-law spring 5.0 cm from its unstressed length,…

A: The work done is given by  W = 12Kx2 where,  K is the spring constant and x is the stretch length.

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 6.0m ?

A: Mass, m = 175 kg Distance moved  by object, d = 6 m

Q: How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor…

A: Since the crate is moving acceleration, the pusher must do a work to overcome the frictional force.…

Q: How much work is done by you when you lift a 9.0 kg object 71 cm off of the ground?

A: Given : Mass of object (m) = 9 kg Height (h) = 71 cm = 0.71 m

Q: If you pull a 9 kg mass vertically up 1.6 m at constant velocity, how much work do you do?

A: Given Mass= 9[kg] Height to which the mass is pulled up vertically= 1.6[m]  Work is said to be done…

Q: A record for stair climbing was achieved by a man who raced up the 1600 steps of the Empire State…

A: Given data from question,  Number of steps = 1600 Height = 320m Time taken = 10.2min Weight of man =…

Q: An apple weighing 1 N falls throughas a distance of 1 m. How much work is done on the apple by the…

A: weight of apple(W)= 1N Distance(d)=1m Work done=F.d=Fdcosθ F is force θ is angle between force and…

Q: A force of 12 lb is required to hold a spring stretched 2 in. beyond its natural length. How much…

A: Scenario - Work is done to stretch a spring beyond its original length. Given, Force→F=12 lb Initial…

Q: Why do you do no work on a 25-kg backpack when you walk a horizontal distance of 100 mm?

A: When a person is carrying a backpack, the weight of the backpack is in the vertical direction. But…

Q: A bag of wheat weight 330 kg .To what height should it be raised so that potential energy is 7800J?…

A: Given data:  Mass (m) = 330 kg Potential Energy (PE) = 7800 J g = 9.8 m/s2 Required: Height (h)

Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: how much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A: The expression for the required work done is,

Q: A box is pulled with a force of 65 N to produce a displacement of 8 m. If the angle between the…

A: Given : F = 65 N d = 8 m θ = 32°

Q: How much work is done by a 100N force if the box moves 4m. But the force is at an angle such that…

A:

Q: what rate of work is developed by a 50.0 kg jogger who runs around a 1.00 km track three times in…

A:

Q: A force of 18 lb is required to hold a spring stretched 8 in. beyond its natural length. How much…

A:

Q: How much work did the movers do (horizontally) pushing a 43.0-kg crate 10.3 m across a rough floor…

A: Given data:Mass of the crate, M = 43.0 kgDistance moved, d = 10.3 mCoefficient of friction = 0.50

Q: Suppose the total work done on a 1620-kg car as it coasts 25.0 m down a hill with f = 6.00° is…

A:

Q: In the question given as follows, determine the work done by the constant force :-   The locomotive…

A: Given,  massm=7 tons=7000 kg displacement (d)=0.25 mile=402.336 m

Q: A box is pulled with a force of 35 N to produce a displacement of 9 m. If the angle between the…

A:

Q: A box is pulled with a force of 45 N to produce a displacement of 5 m. If the angle between the…

A: Given: The applied force is 45 N. The displacement is 5 m. The angle between displacement and the…

Q: If a person pushes on a lawnmower with a constant force of 90.0 N at an angle of 40° to the…

A: Given data: Constant force (F) = 90.0 N Angle (θ) = 40° to the horizontal Horizontal displacement…

Q: A 4kg block was released from rest on top of a quarter circular surface. If the vertical height from…

A:

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: Calculate the work needed to lift a 20 kg sack of rice vertically at 6-5 m ?

A:

Q: If it requires 9.0 JJ of work to stretch a particular spring by 2.0 cmcm from its equilibrium…

A: Write the expression for the work done by the spring.

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A:

Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 81.54 cm from the floor to hip…

A:

Q: If you carry a bag of groceries weighing 115 N from your car to your kitchen, a distance of 44 m,…

A: Given data, Force on bag weighing = 115N Distance to be travelled = 44m We know that, Work done =…

Q: Is the work done by the applied force positive or negative when a heavy body is lowered to the…

A: Let h be the height at which the body is initially, F be the applied force, W be the work done by…

Q: If it requires 9.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length,…

A: The energy required to stretch the spring is

Q: The coefficient of kinetic friction between a suitcase and thefloor is 0.272. If the suitcase has a…

A:

Q: A box is pulled with a force of 45 N to produce a displacement of 11 m. If the angle between the…

A:

Q: A 2 kg crate sitting on a horizontal surface is pushed by a horizontally applied force of 8N.  If it…

A: From Newton’s second law of motion, determine the acceleration of the crate as follows. ∑F=maa=∑Fm=8…

Q: A baseball of mass 0.25 kg is hit at home plate with a speed of 40 m/s. When it lands in a seat in…

A: Given: Mass of the ball = 0.25 Kg Speed of the ball = 40 m/s Horizontal distance from home plate =…

Q: A 10 kg mass is held 1.0 m above a table for 25 s. How much work is done during  that time?

A:

Q: How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and…

A: Given data: Initial speed vi = 155 km/h Change the value into m/s      vi = 155 ×518 m/s    =43.05…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m…

A: Force, F=5 N magnitude of displacement, d=0.6 m Angle between the force and displacement, θ=0° Work…

Q: A 10 kg block is pushed with a constant external force of 10 Newtons horizontally on a floor with a…

A:

Q: In the absence of friction, how much work would a child do while pulling a 12kg wagon a distance of…

A:

Q: Calculate the work done in pushing a 40 kg crate 12 m across a level floor if the cofficent of…

A: Mass, m=40 kg Distance to be pushed, d=12 m Coefficient of friction = 0.4

Q: When you apply force F = 273N to the right to mave a box by the distance 4.2 m to the right, find…

A: Given Force =273 N  Displaced distance d 4.2m