Plz show all work

Q: Rising an auto in a service station requires work. Raising it in half the time requires A. Half the…

A: According to the work energy theorem,         w ex = ∆U+∆K

Q: Find the displacemnet Work done=122.11 J Force=50 N

A: Given data : Work done=W Force=F   Required : Displacement

Q: Rey is exerted a 500-N force to push the table across the 5meter floor. If he finished it in 10…

A: Given  Force, F = 500 N  Distance, D = 5 meter  Time ,T = 10 sec

Q: How much work must be done by frictional forces in slowing a 1,599-kg car from 14.7 m/s to rest?…

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Q: A filled moving box is being pushed out of an apartment to the car with a force of 175N over 5m.…

A: Given data:          Applied force =175 N Total displacement = 5 m Write the equation for the work…

Q: The work done by a force is zero when the force is to the displacement.

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Q: A casting of mass 150 kg is lifted 4 meters in 15 seconds by means of a crane. What is the power?

A: Given data The mass of the casting is given as m = 150 kg. The casting is lifted up to h = 4 m. The…

Q: Compute displacement Work done=112.212 J Force=123 N

A: Given data :Workone=112.212 JForce=123 NRequired :displacement

Q: Calculate the force needed to do 500 J of work while pulling a cart a distance of 3.4 m.

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Q: Mary 10 N of books into her house 15 m from her car. How much work was done?

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Q: What is the derived S.I. unit for power? newtons O horsepower O joules watts

A: Newton is used to measure force which is obtained when mass of a body is multiplied with its…

Q: 18 kg. over the side of a building. the work required to the chain

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Q: 13. A machine does 192 J of work in 24 Sec. What is the power of the machine?

A: Given data The work done by the machine is given ad W = 192 J. The time duration is given as T = 24…

Q: You carry a 20. N bag of potatoes up a 5.0 m flight of stairs in 26 seconds. How much work was done?…

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Q: 7. A telephone receiver. 8. A nuclear power plant. 9. A windmill.

A: We find out the energy transformation in various proces.

Q: 2. The figure below shows the acceleration of a 10 kg package that is accelerated to a maximum…

A: Mass m = 10 kg maximum acceleration a = 20 m/s2 So, the acceleration is changing from 0 to 20 as…

Q: 10. A force of 2i+3j+2kN acts on a body for 4s and produces a displacement of 3i+4j+5k m. Calculate…

A: The expression for power is, P=Wt          (I)                 W=work done,t=time The work done by…

Q: Find the mass, in kilograms, of an object that requires 6,718 J of work to lift it to a height of 24…

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Q: A 380-lb gorilla climbs a tree to a height of 23 ft. Find the work done (in ft-lbs) if the gorilla…

A: Weight of gorilla = 380 lb  Displacement of gorilla = 23 ft

Q: 82. Raising a table requires work. Raising it twice as high requires O a. half as much work O b. the…

A: Raising a table required work if raising it twice as high required. The correct option is  Twice the…

Q: Exarmple: What work is done by a 4-hp mower in one hour? The conversion factor is needed: 1 hp = 550…

A: Given: Power of mower P = 4 hp time t = 1 hr

Q: A 91.0 kg person climbs stairs, gaining 4.00 meters in height. Find the work done (in J) to…

A: Work done=3567.2 j

Q: Find the work done is displacing crate upto 2.77 m by force of 12.51 N

A: Given data : Force is denoted by F Displacement is denoted by d   Required : Work done

Q: A contractor lifts beams (905 kg) 52 m using a 10 hp-rated crane. How much work is required to lift…

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Q: 10. The power of a motor is 40 kW. At what speed can the motor raise a load of 20,000 N ? Ans. 2 ms

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Q: Find the work W done if a constant force of 95 lb is used to pull a cart a distance of 200 ft. W =

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

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Q: A perticle movige elone the x-exiS experiences he Jočce shown How much work is oone on Jhe fchele…

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Q: A spring 40mm ling is stretched by the application of force. If 10N force is required to stretch the…

A: k=Fx=10 N40 mm10-3 m1 mm=250 N/m

Q: Find the spring constant k for a spring if a force of 19 N stretches the spring 0.46_m.

A: Given data:  Force (F) = 19 N Stretch in Spring (x) = 0.46 m Required: The spring constant (k)

Q: A force of 403.0 N is exerted on a 1,250 N car while moving it a distance of 2.69 m. How much work…

A: Given: The force exerted on the car is 403.0 N. The weight of the car is 1250 N. The displacement of…

Q: A horozontial force of 125.0 N is applied to move a 46.0-kg cart across a 7.0 m level surface. What…

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Q: A boy of mass 45 kg climbs a vertical rope 9 meters in length in 15 seconds with constant velocity.…

A: Given: The mass of the object is 45 kg. The vertical height is 9 m. The time interval is 15 s.

Q: how much work is done when a force of 816.0N is exerted while pushing a crate across a level floor…

A: GivenForce F = 816.0 NDistance d = 1.40 m

Q: The other end of the lever is pushed down 3 ft while lifting the rock. When the work done is 164.9…

A: Given data:  Displacement (d) = 3 ft Work done (W) = 164.9 ft-lb Required: Force (F)

Q: Find the displacement Work done=250 J Force=26 N

A: Given data : Work done=W Force=F   To find : Displacement

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.