When doing a chin-up, a physics student lift their 42 kg body by a distance of 0.25 meters from the floor in 2 seconds. How much power does the student exert? a.) 5.25 W b.) 3292.8 W c.) 336 W d.) 51.45 W

Q: A- A kg sled is pulled across level snow with a force of 225N on a rope that is 35 degrees above the…

A: Required : Work done, Power.

Q: 4. A 128.0-N box is pulled up a frictionless ramp inclined at 30° from the horizontal at a distance…

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Q: When a flea (m = 600 μg) is jumping up, it extends its legs 0.5 mm and reaches a speed of 0.50 m/s…

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Q: QUESTION 8 How much work (in J) must be done to lift a stack of bricks, which has a mass of 50 kg,…

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Q: 18. A crate of mass 10.0 kg is pulled up a rough 20°- incline. The pulling force is 100 N parallel…

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Q: An Eskimo returning from a successful fishing trip pulls a sled loaded with salmon. The total mass…

A: Given: Total mass of sled and salmon = 50 kg Force exerts by Eskimo, F = 1200 N Displacement, S = 5…

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

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Q: 9. If it requires 10.0 J of work to stretch a particular spring by 20 mm from its equilibrium…

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Q: Andy and Bryan each lift a 150 kg barbell at a height of 1.5 m off the ground. Andy lifts his…

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Q: 1. How does the work required to stretch a spring 2.0cm from Its unstressed length compare with the…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: 1. If you pushed a 20 kg box across the floor for a distance of 60 m with a force of 15 N how much…

A: #1 Given data: The mass of box is m=20 kg. The distance traveled by the box is d=60 m. The force…

Q: A 57.7 kg teenager climbs stair to exercise as shown, Ay = 12.0 m. It is completed in 25.0 s. What…

A: Answer:-  Given Mass (m) = 57.7 kg  Height (∆y) = 12.0 m  Time (t) = 25 .0 s  Acceleration due to…

Q: An elevator is able to raise 9,800 N to a height of 47 m in 19 s. (a) How much work does the…

A: Work is the application of force f to move an object over a distance d , in the direction that the…

Q: Mark pushes a 20.3 kg wagon moving at 1.45 m/s. After 5.6s, he ran and moved at 3.86 m/s. Use the…

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Q: A student uses 200N to push a block of wood up a ramp at a constant velocity of 2.6 m/s. What is his…

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Q: 3. A biker weigh 60.0kg, biking at Kalatao diversion road started sliding down from the top of a…

A: Given: m =60.0 kgh = 20.0 md = 15m

Q: ry from the floor onto a shelf 1.9 2) a) How much work Gin Joules) is done in lifting a 2.5 kg…

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Q: 7- A 150 kg roller coaster car starts from rest at point A and slides down the frictionless…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 11 A 50 kg cement block needs to be moved, over a distance of 10m, the power available is 200 W,…

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Q: 1. You must exert a force of 4.5 N on a book to slide it across a table. If you do 2.7 J of work in…

A: Soln-  i)  Given Force = 4.5N And work(w) = 2.7J We know that W= f * d           -i) Where w ->…

Q: 2) A 6, 500 kg truck with an initial speed of 10 m/s accelerates for 17 seconds to a final speed of…

A: Given data Mass of the truck, m=6500 kg Initial speed, u= 10 m/s final speed, v=22 m/s Acceleration…

Q: A 60.0-kg woman climbs a staircase to a level 11.0 m above her starting point in 66.0 s. (a) How…

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Q: Question 2 (Work, Energy and Power) Figure 1 A 420 kg piano slides 3.0 m down a 25° incline and is…

A: Given:-  The  mass of the piano  m = 420 kg  the inclined plane with an angle θ= 25° and  length it…

Q: How much work (in J) is done by the boy pulling his sister 34 m in a wagon as shown in the figure…

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Q: Question7 A boy with mass m - 50 kg walks up at h-2 m high stairs at a constant speed in t-25 s.…

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Q: 5. A 98-N sack of grain is hoisted to a storage room 50 m above the ground floor of a grain…

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Q: 6. An elevator is lifting two people at constant velocity from the first to the twentieth floor of…

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Q: 1. Two forces that are F, = 10 N and F2 = 5 N act on a body in a frictionless floor. If the…

A: 1. Given data: Magnitude of force 1 is, F1=10 N. Magnitude of force 2 is, F2=5 N. Displacement is,…

Q: A baseball has a mass of 0.150 kg. If 250 J of work is done on the baseball, what is the magnitude…

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Q: 3. A weightlifter lifts 100 kg up a distance of 1.5 m. 100 kg has a weight force of 1000 newtons.…

A: Given: The mass is lifted by a weightlifter 100 kg. The distance traveled by the weight is 1.5 m.

Q: How much work must you do to push a 13 kg block of steel across a steel table at a steady speed of…

A: Given,mass of the block, m = 13 kgspeed of the block, v = 1.3 mstime, t = 5.4 scoefficient of…

Q: 5. A 2-kg object moved from rest to a speed of 10 m/s. a) Calculate the work done on the object? b)…

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Q: 2) Assume the workman was able to get the sled moving. He is now pulls it 50[m] before stopping. How…

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Q: 5. Socrates struggled and strained as he lifted an 82.0-kilogram mass vertically a distance of 3.00…

A: Given that,  Mass, m = 82.0 kg  Distance, d = 3.00 m  Time, t = 5 minutes = 300 seconds  So,…

Q: 1. A woman runs a kilometer using a force of 210N and a power output of 500W. How long in minutes…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Baldo and Bruno reached the top of a hill 30.0 m high when they went on hiking.  If Baldo is 90 kg…

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Q: Suppose a car travels 108 km at a speed of 30.0 m/s, and uses 2.0 gal of gasoline. Only 30% of the…

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Q: • A 700 N Marine in basic training climbs a 10.0 m vertical rope at a constant speed in 8.00 s. What…

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Q: 6. A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total…

A: Given data The horizontal force is given as Fx = 75 N. The distance traveled by the wagon is d = 42…

Q: A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.4 m/s and…

A: Given: Mass of surfer(m) = 59 kg vi=1.4 m/s vf=9.4 m/s Vertical height (h)= 2.7 m

Q: 1.How much power is required to do 40 J of work in 5 seconds?   2.How much power is required for a…

A: In the questions, different data is given of work done, time, mass, and velocity to find the power…

Q: 2. Nicole lifts a bowling ball with a mass of 6.2 kg to a height of 1.5 meters above the floor. (a)…

A: Given:m = 6.2 kgh = 1.5 m

Q: A 3.00-kg crate starting at rest slides down a rough 7.00-m-long ramp, inclined at 25.0° below the…

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Q: At a shipping dock, large crates are raised off of the dock and lowered onto the boats by a motor…

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