Question for the Class final orbit How much work is required to move a 1550 kg satellite from a circular orbit with an initial orbit altitude of 105 km above the surface of Mars to a circular orbit with an altitude of 905 km above the surface of the Mars? RMars = 3390 km MMars = 6.39 × 1023 kg

Q: power mower does 8 x 104 J of work in 0.4 h. What power does it use

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Q: A man pushes a lawn mower on a level lawn with a force of 195 N. If 28% of this force is directed…

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Q: Suppose a car is being towed with a force of 1000N. The chain used to pull the car makes a 25 degree…

A: Force F= 1000NDisplacement of car d=5km= 5000mAngle =25° with horizontal

Q: A gardener pushes down on a lawnmower with a force of 35.0 N to make it move forward. The angle…

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Q: A boat pulls a skier 237 m with a 335 N force directed 15o above the centerline of the boat. How…

A: Distance moved = 237 m  Force = 335 N  Angle = 15 degree

Q: Al lift to raise a crate to height of 10.0 m is used. [1hp= 746 W] How much hp is necessary to raise…

A: The energy used to lift the crate of mass m is its potential energy. Write the expression for…

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: 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: If a person of mass 100.0kg climbs a 2.00m high set of stairs in 4.00s, how much work do they do?

A: The expression for the force due to gravity of the earth is, W=Fs The expression for the force due…

Q: 1. On a level road, you phyllis a 25.7kg wagon with a force of 29.4 newtons for a distance of 16.7…

A: We have a wagon of mass m=25.7 kg on which a force of magnitude F=29.4 N is applied to movie it to a…

Q: 55N block is pushed up a frictionless 33 degree inclined plane by a horizontal force of 110N applied…

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

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Q: Calculate the work done by a 71 kg man who pushes a crate 7 m up along a ramp that makes an angle of…

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Q: ! Required information A 434-kg pile driver is raised 12.8 m above ground. How much work must be…

A: Mass of pile driver (M) = 434 kg  Height upto which it is raised (h) = 12.8 m

Q: using a force of 50.0N you can you push a cart 10.0 m across a school. how much work did you did?

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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…

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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…