Calculate how long it would take the book to be dropped from a height of 10.0 m and reach the ground. How much power did the Earth expend as it pulled the book to the ground?

Q: 10. It takes a force of 21,714 lb to compress a coil spring assembly on a New York City Transit…

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Q: Determine the power required to accelerate a 900-kg car shown infrom rest to a velocity of 80 km/h…

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Q: A 5.6 kg block slides 13.6 m down a frictionless ramp. The ramp is inclined at an angle of 42…

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Q: calculate the power used lifting a 20 kg barbell to height of 0.75 m in 1.25 s.

A: given: mass of barbell m =20 kg height lifted h = 0.75 m time taken t = 1.25 sec

Q: Consider the figure below where the inclined plane has a friction: 200 N 50 kg 1.2 m Given the…

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Q: 13) A person runs up a long flight of stairs in 10 seconds. If the person’s weight is 600 N and the…

A: Given values: Person's weight or force due to gravity,F=600 N Vertical height or displacement, s=20…

Q: Calculate the work done when a force of 5 N moves a book 1.2 m. (Remember that 1 N?m 5 1 J.)

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Q: A wagon is pulled horizontally by exerting a force of 10Ilb on the handle at an angle of 60° with…

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Q: How much power does it take to lift a 49kg person a 5m vertical distance in 20s?

A: Given: mass, m = 49 kg  height, h = 5 m  time, t = 20 s

Q: If you pull a wagon with the force of 200 N and it takes you 20 seconds to pull it 10 m on flat…

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Q: m above

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Q: In an exercise class, a PE teacher instructed a student to do a chin up. Compute for the power…

A: Mass of student (m) =42 kg Distance travelled (h) =0.25 m Work done by student during this…

Q: A man applies a force of 45 N to push a lawn mower 10 meters. Calculate the work done

A: Work done is product of force and displacement.  W=Fd Here, F is force and d is displacement.  Given…

Q: How much work is done by the boy pulling his sister 23 m in a wagon as shown in the figure below?…

A: The work done is given by, W=F·d    =Fdcosθ

Q: force of 50 N is used to move a 4-kg block in an inclined surface. If the coefficient of kinetic…

A: Given Applied force = F = 50 N Coefficient of kinetic friction = 0.25 Mass of block = 4 kg…

Q: Question 21 A fallen tree is hooked up to the hitch of a pickup truck at an angle of 17°. If the…

A: Write the given values with the suitable variables. θ=17°d=312 ftF=1350 lb Here, θ, d, and F are the…

Q: A garage hoist lifts a truck up 2 meters above the ground in 15 seconds. Find the power delivered to…

A: Height, h = 2 m  time, t = 15 s  mass, m = 1000 kg

Q: A man applies a force of 700 N to a crate and pushes it through a distance of 200 cm. Calculate the…

A: Given: Applied force F = 700 N, Displacement s = 200 cm = 2 m.  Required : Amount of work done (W)…

Q: In transporting a patient on a wheelchair up an inclined ramp at an angle of 20° with the horizontal…

A: Force , F = 1400 N Angle , θ=  20° Velocity , V = 2.5 m/s To find = Power produced

Q: If a force of 1000 N moves a 40-m object in a time of 5.0, find the power generated by this force.…

A: Given data:  Force (F) = 1000 N Displacement (d) = 40 m Time (t) = 5.0 s Required: Power (P)

Q: A force of 90N is required to keep a spring stretched 5m from the equilibrium position. How much…

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Q: A 26 meter chain is hanging from a winch located 26 meters above the ground. If the chain weighs 4…

A: Basic: we know that the work done is given by force into. Displacement  so we just find the small…

Q: A student who weighs 545 N climbs a stairway (vertical height of 4.3 m) in 30 s. What is the power…

A: The work done by the student is,

Q: Determine the power required by an 80kg man to run down a slope from 1.0 m/s to 2.0 m/s in 2…

A: Given  data:   Mass of man (m) = 80 kg Initial velocity (Vi) = 1.0 m/s Final velocity (Vf) = 2.0 m/s…

Q: A lawn mower is pushed a distance of 100 ft along a horizontal path by a constant force of 45 lb.…

A: Constant force, F=45 lb distance, S=100 ft Angle, θ=30° Work done by the person moving the lawn…

Q: A truck pulls a sked loaded with different kinds of vegetables at a certain distance Suppose the…

A: Given data: Mass (m) = 1621 kg Initial velocity (Vi) = 3.15 m/s Work (W) = 21497.6 J Required: Final…

Q: Question 7.Using the following illustrations calculate the required power under the following…

A: GIVEN DATA : MASS OF THE BLOCK , m = 65 kg                            INCLINATION ANGLE OF THE PLANE…

Q: A 210.0 lb hiker is able to ascend a 1,100.0 ft high slope in 30 minutes. What was the average power…

A: The given data are listed below with appropriate variables. Here, W denotes the weight, h denotes…

Q: You apply a constant force of (49 N) (52 N) to a loaded supermarket pushcart as it undergoes a…

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Q: A truck hitched to a trailer exerts a horizontal net force of 312 Newtons. If the trailer moves a…

A: Given data:  Force (F) = 312 N Displacement (d) = 1235 m Required: Work done (W)

Q: Wonder Woman uses 2000 N to lift a truck 2.3 meters in 5 seconds. How much power did she use?

A: We know that power  P= W/t Where W is work done and t is time

Q: A conveyor belt increases the speed of a 14 kg package from rest to 6 m/s. This acceleration occured…

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Q: Determine the power generated during a force of 1000 N moves an object 40 m in a time of 4.0 s. Use…

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Q: Consider a 15-foot hanging chain that weighs 3 pounds per foot. Find the work done in lifting the…

A: The expression for work done in lifting the chain vertically to the indicated position.…

Q: A force of 80 pounds on a rope is used to pull a box up a ramp inclined at 10° from the horizontal.…

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

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Q: An object is pulled along the ground by exerting a force of 30 pounds a rope that makes a 5° angle…

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Q: A force of 4.66 x 109 N was required to move a building block 1.65 x 107 mm. Calculate how much…

A: Force (F) = 4.66×109 N Distance moved (d) = 1.65×107 mm time (t) = 11.2 seconds

Q: Suppose you expend 1000 J of energy running up the stairs for 20 seconds. How much power did you…

A: Given value --- expand energy = 1000 J. time = 20 sec. We have to find---  How much power did you…

Q: How much work would a child do while pulling a wagon a distance of 4.9 m with a 39 N force?…

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Q: A student applies a 20 newton force to move a crate at a constant speed of 4.0 meters per second…

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Q: A man pushes a lawn mower on a level lawn with a force of 214 N. If 34% of this force is directed…

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Q: A biker peddles with a power output of 350 W to maintain a steady speed of 11.5 m/s. How much force…

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Q: Calculate the work done by a person by lifting a 7kg bowling ball from the rack 0.45 m above the…

A: work done W=mg∆h=7×9.8×2.6-0.45=147.49 Joules

Q: If a constant force of 20N is applied perpendicular to the direction of the motion of a ball moving…

A: W=F.r     =FrCosθ

Q: An object is pulled along the ground by exerting a force of 25 pounds a rope that makes a 5° angle…

A: Force exerted on the object, F = 25 lb The displacement of the object along the ground, ∆x = 28 ft…

Q: Calculate the power required to raise a 20kg object to a height of 10m in 1 minute.What assumptions,…

A: Given Data:- Mass of the object is m=20 kg Height at which the object is raised h=10 m Time t=1…

Q: A lawn mower is pushed a distance of 200 ft along a horizontal path by a constant force of 55 lb.…

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Q: Consider a 30-foot chain that weighs 2 pounds per foot hanging from a winch 30 feet above ground…

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