1a) A 4.1 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.30 m above the counter? =_________ J 1b) How much work is required to lift a 4.8-kg backpack 2.0 m to put it on? =___________ J 1c) An object is dropped from a height of 14 m. At what height will its kinetic energy and its potential energy be equal?  =___________m

Q: A labourer weighing 600 N is to carry 5 sacks of rice from ground floor to the second floor of the…

A: Given  Weight of labour, W = 600 N  No of sack, N = 5  Mass of each sack ,M = 50 kg  Distance…

Q: How much work is done by the force of gravity in moving a 10 kg block from an initial height of 2 m…

A: Given:mass of block, m = 10 kginital height, hi = 2 mfinal height, hf = 10 macceleration due to…

Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…

A: Given data: Force, F = 25 N Width of mower, w = 60 cm = 0.6 m Work done, W = ?

Q: Calculate the Work = F x d done by gravity that pushes the car down the ramp. Which d (distance) do…

A: Analyze the following figure. The ramp’s angle (θ) can be determined as, Here, h and l represent…

Q: A box with a max of 20 KG at 5m is lifted to 20 m how much work was done? (Used=changed in PE

A: The distance moved by the box is h=20-5m=15m

Q: The work done by a fielder when he takes a catch in a cricket match, is negative. Explain.

A: Write the expression for the work done.

Q: A crate of mass 10.0 kg is pulled up a rough 20o- incline. The pulling force is 100 N parallel to…

A:

Q: - A weight-lifter does 4.4 x 10³ J of work in raising a weight from the floor to a height of 2.0…

A: Given  Work (w) = 4.4 × 103 J  Height (h) = 2 m  (a) let average force is ' F ' .   w = F× h…

Q: How can the total energy remain the same,but the energy available to do work decrease?

A: The system's total energy is conserved means that that the energy can not be created or destroyed.…

Q: 30.0 m

A: Given:mass, m = 75 kg

Q: The handle of a vegetable wagon makes an angle of 35.0 degrees with the horizontal.if the peddler…

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Q: A construction worker, 20 feet up on a scaffold, lifts a 2-lb rope hand over hand up to the scaffold…

A: Given : Weight of Block=m=8 lb Weight of rope=M=2 lb Length of rope=l=20 feet Height of the…

Q: A crane lifts a 425 kg steel beam vertically upward a distance of 95 m. How much work does the crane…

A: The work done by the crane can be calculated using following steps:Given:

Q: A block of mass 10kg slides down a 30 degrees inclined plane starting from rest. It reaches the…

A: Work done by a force is given by the dot product of force and the displacement of object caused by…

Q: A rocket weighing 3 tons is filled with 40 tons of liquid fuel. In the initial part of the flight,…

A:

Q: 2. How much work would be done in lifting the mass straight up 2.0 m(h)? Show calculations. See…

A: Work done in the lifting the mass is W = mgh = 50 × 9.8 × 2 = 980 J

Q: Work on a car, to increase its KE. How much net work is requierd to accelerate a 100-kg car from 20…

A: The work is defined as the rate of energy transfer in an object that occurs when the force displaces…

Q: frictional forces in slowing a 1,645-kg car from 10.1 m/s to rest? Calculate to one

A: Work done = change in kinetic energy  W = ∆K  W = 1/2 m v2  Given m= 1645 kg  V final = 10.1 m/s  V…

Q: The handle of a vegetable wagon makes an angle of 35.0° with the horizontal. If the peddler exerts a…

A: Given data:  Angle (θ) = 35° Force (F) = 35.0 lb Displacement (d) = 1.20 mi

Q: A horizontal force of 420 N is used to push a crate for 5 m across a level warehouse floor. How much…

A: The force’s work done on the crate can be represented as, Here, F, d, and θ represent the applied…

Q: A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a max height of…

A: Given data The mass is m=58 g The height is h=8.09 m The work done by the gravity on the  the ball…

Q: A mountain climber is about to haul up a 90-m length of hanging rope. How much work will it take if…

A: Given: The length of the hanging rope is 90 m. The weight of the rope is 0.65 N/m.

Q: A chain 72 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and…

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

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Q: A rightward force of 4.0 N is exerted upon a 2.0-kg object for a distance of 3.0 meters. What is the…

A: Given information: The mass of the object (m) = 2.0 kg The Force acted on the object (F) = 4.0 N The…

Q: An object was moved 12m along a rough horizontal surface. How much work is done by a friction force…

A: As per guidelines we will answer only one question.

Q: MY NOTES ASK YOUF A 390-lb gorilla climbs a tree to a height of 24 ft. Find the work done (in ft-lb)…

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Q: a force of 30.0 N is required to push a 20.0kg mass 2.00 m across the floor. the mass is then lifted…

A: The work done by a force is given by, W=Fdcosθ Here, F is the magnitude of the force, d is the…

Q: How can we ignore the self-potential energy when doing a work-energy problem or an…

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Q: A chain is held on a frictionless table with one fourth hanging over the edge. If the chain has a…

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Q: Calculate the work done by a force of 30 N in lifting a load of 2kg to a height of 10m (g 10ms2)

A: Work done is calculated as:   Work = Force x Displacement W = F.d…

Q: A man pushes a 85.9-N crate a distance of 3.7 m up a long frictionless ramp at a constant speed.…

A:

Q: Determine the work done against gravity on a 1.0 kg book that is lifted a height of 2.0 m.

A: Given value--- mass  = 1 kg. height = 2 m. We have to find--- work done ?

Q: A 10 N force [upward] is applied to move an object 2.3 m in horizontal direction. Calculate the work…

A: Write the given values with the suitable variables. F=10 N upwardd=2.3 m Here, F is the force and d…

Q: How much work is required to lift at 3.10 KG object from the bottom of a well 11.1 M deep?

A: Let h denotes the depth of the well, m denotes the object’s mass, U denotes the potential energy of…

Q: A ball toy of mass 22.9 g is thrown straight up with an initial speed of 4.3 m/s. Neglect air…

A:

Q: Estimate the work (in J) you do to mow a lawn 20m by 20m with a 60-cm-wide mower. Assume you push…

A:

Q: Force = 4x ^ 4 - 3x. Find the work in mks units done by the force for a distance of x = 1 to x = 7:

A: The formula for workdone is: W=∫x1x2F dx

Q: A horizontally directed force of 10 N is used to pull a box a distance of 2.6 m across a tabletop.…

A:

Q: A ball toy of mass 19.1 g is thrown straight up with an initial speed of 2.3 m/s. Neglect air…

A: The potential energy at hand is -0.05 J.

Q: Calculating the Work You Do to Push a Lawn Mower Across a Large Lawn How much work is done on the…

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Q: How much work is done by gravity when dead lifting a 100.0 kg barbell 64.11 cm from the floor to hip…

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Q: A 3.2-kg bucket of water is lifted vertically 2 m How much work against gravity is done?  Use g =…

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Q: To lift a basket with a mass of 45kg to the top of a building 14m in height, a cable with length 14m…

A: In this question we have to find the work done in lifting the basket to top of the building. Please…