A student who weighs 552 N climbs a stairway (vertical height of 3.5 m) in 20 s. (a) How much work is done? (b) What is the power output of the student?

Q: QUESTION: A 75 kg carpenter ascends a 7.0 m vertical ladder to a house's flat roof. He then travels…

A: Since we only answer up to 3 subparts so we will answer first 3. Please resubmit the question by…

Q: A man pushes a lawn mower with a horizontal force of 138 N. If he pushes the lawn mower 5.2 m in 15…

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Q: A 42 N horizontal force is applied to a 5.5 kg box. The box moves a horizontal distance of 650 cm.…

A: Mass of box , M= 5.5 kg Force applied onto it , F=42 N Distance moved by box in the direction of…

Q: A person pulls a crate 46.8 meters along a horizontal floor by a constant force 103.9 N, which acts…

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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: A shopper in a supermarket pushes a cart with a force of 45 N directed at an angle of 25° below the…

A: Given values: Applied force, F=45 N Angle below the horizontal, θ=25° Length of the aisle, d=45.0 m

Q: A block of mass 50 kg is pulled by a rope that makes an angle of 30 degrees with the horizontal. The…

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Q: A dockworker pushes a box along a horizontal floor and moves a distance of 4.6 m with a force F…

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Q: A crane lifts a 395-kg steel beam vertically a distance of 41.4 m. How much work does the crane do…

A: Given: The mass of the beam is 395 kg. The vertical displacement of the beam is 41.4 m. The…

Q: A person pulls a toboggan for a distance of 29.8 m along the snow with a rope directed 28.9" above…

A:

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

A: Given:mass of crate, m = 10 kgpulled up through 20° inclinationpulling force = 100 N ( parallel to…

Q: A person pulls a crate 43.9 meters along a horizontal floor by a constant force 103.9 N, which acts…

A: Given: distance travelled by crate d = 43.9 m Force applied by person  F = 103.9 N along 37.9o…

Q: A student who weighs 546 N climbs a stairway (vertical height of 3.2 m) in 27 s. (a) how much work…

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Q: An archer pulls a bowstring back 0.500 m by exerting a force that increases uniformly from zero to…

A: It is given that, x=0.500 mF=250 N

Q: person pulls a crate 49.6 meters along a horizontal floor by a constant force 113.7 N, which acts at…

A:

Q: helicopter lifts a 80 kg astronaut 17 m vertic (a) How much work is done on the astr (b) How much…

A: GivenMass of Astronaut, m=80 kgDistansed moved vertically, d=17 mAcceleration of Astronaut, a=g10

Q: A person pulls a toboggan for a distance of 29.6 m along the snow with a rope directed 22.1 ° above…

A:

Q: A person pulls a toboggan for a distance of 30 m along the snow with a rope directed 350 above the…

A: Given data: Distance moved by the toboggan, d=30 m Angle of the rope with horizontal, θ=350 Tension…

Q: e roof, descends another vertical 7.0-meter ladder, and returns to his starting location on the…

A: GivenMass of carpenter, m=75 kgHeight of ladder, h=7 mDistance travelled on roof, d=12 m

Q: A 40 kg crate filled with books is pushed along the floor by exerting a force of 227 N at an angle…

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Q: An elevator of mass 700 kg descends with an acceleration of 3 m/s^2 for a distance of 12 metres.…

A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…

Q: How much work is needed to stop a 1900 kg car that is moving straight down the highway at 70 km/h? x…

A: As per guidelines, only first question is solved here. Given, Mass of car , m = 1900 kg  Speed , v =…

Q: A 5-kg package is pushed 2 m up a ramp that is inclined at 12° above the horizontal by a 100-N force…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: A worker pushes a wheelbarrow with a horizontal force of 240 N over a level distance of 5.0 m. If a…

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Q: A student who weighs 543 N climbs a stairway (vertical height of 4.2 m) in 24 s. (a) How much work…

A: Given: weight of student, W = 543 N  vertical height, h = 4.2 m  time taken to climb, t = 24 s

Q: A 3.25-kg crate starting at rest slides down a rough 7.00-m-long ramp, inclined at 27.5° below the…

A:

Q: A man uses a rope and a system of pulleys to raise a 200-lb box to a height of 10 ft. He exerts a…

A: Solution: Given: F1 = weight of box = 200 lb s1 = height through which box is lifted = 10 ft F2 =…

Q: The (non-conservative) foree propelling a 1.10 x 10°-kg car up a mountain road does 7.50 x 10 J of…

A: Given: mass of car m =1.10*103 kgwork done by force W = 7.50*106 Jheight reached h = 2.20*102 m

Q: A 56.5-kg hiker starts at an elevation of 1270 m and climbs to the top of a 2660-m peak,  (a) What…

A: Given data, Mass m=56.5 kg Height h1=1270 m Height h2=2660 m

Q: A worker pushes a 30.0-kg crate a distance of 4.5 m along a level floor at constant velocity by…

A:

Q: A person pulls a crate 49.4 meters along a horizontal floor by a constant force 103.2 N, which acts…

A: Given Data Displacement of the crate is d=49.4 m Applied force on the crate is Fa=103.2 N Angle of…

Q: A person pulls a crate 41.3 meters along a horizontal floor by a constant force 118.4 N, which acts…

A:

Q: A helicopter lifts a 65 kg astronaut 18 m vertically from the ocean by means of a cable. The…

A: F   to denote the upward force exerted by the cable on the astronaut. The force of the cable is…

Q: You are loading a refrigerator weighing 2135 N onto a truck, using a wheeled cart. The refrigerator…

A: Since the final height in both cases is the same. The amount of workdone in both cases will be the…

Q: block of mass m=5 kg is pulled at a constant speed along a rough horizontal surface by a rope

A:

Q: While doing a chin-up, a man lifts his body 0.40 m.  (a) How much work must the man do per kilogram…

A: let the mass of the body be M kg. Height of the lift,h=0.40 m Acceleration,a=9.8 m/s2 (a) How much…

Q: An object is moved on a horizontal surface by a force of 15 N up to a distance of 10 m. The force of…

A: Given Applied force = F = 15 N friction force = f = 7.5 N Displacement = s = 10 m We have to…