if you pull a wagon with a force of 200 Newton's and it takes you 20 seconds to pull it 10 meters of flat ground, how much power have you expended

Q: A man pushes a lawn mower on a level lawn with a force of 213 N. If 53% of this force is directed…

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Q: During a tug-of-war, team A does 2.20×10 5 J of work in pulling team B 8.00 m. What average force…

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Q: A man pushes a lawn mower on a level lawn with a force of 201 N. If 44% of this force is directed…

A: Given Data: The force with which the man pushes the lawn mover is given as f = 201N. The percentage…

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

A:

Q: It takes a force of 35 N to stretch a 45-cm spring to 90 cm and hold it there. How much work was…

A: Given The force to stretch the spring is F=35 N. The initial length of spring is xi=45 cm. The…

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: what is the power of a crane that lifts it uniformly in a hurry to a height of 5 meters during 5…

A: The work done is calculated as, W=mghW=200×9.8×5W=9800 J

Q: How many watts of power do you expend when you exert a force of 1N that moves a book 2m in a time…

A: The power exerted on the book is

Q: If you exert a force of 64 N to walk 12 m a flight of stairs in 15 seconds, how much power do you…

A: Given: force F =64 N Distance travelled d = 12 m time taken t =15 sec

Q: If you pushed a cart for 6.76 meters along an incline of angle 55.21 by applying a force of 54.17…

A: Given : Angle of incline (Θ) = 55.21o Force (F)= 54.17 N Displacement along the incline (d) = 6.76 m

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: Show that the gravitational potential energy of a 1000-kg boulder raised 5 m above ground level is…

A: The given mass of the boulder is,

Q: m above

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Q: Choose the BEST answer to the following: The power required to raise a 100-kg crate a vertical…

A: Given:Mass=100kgvertical distance =2mTime=4s

Q: compact car can climb a hill in 10 s, the top of the hill is 30 m higher than the bottom, and the…

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Q: The work you do when pushing a shopping cart twice as far while applying the same force is A) half…

A: Given data:  New displacement (d') = 2d New force (F') = F Required: New work done

Q: A boy of mass 40 kg climbs a vertical rope 8 meters in length in 12 seconds with constant velocity.…

A: Mass of boy= 40 Kg Time = 12 s Height gain= 8 m

Q: A man pushes a lawn mower on a level lawn with a force of 200 N. If 31% of this force is directed…

A: Given: The force F = 200 N. The power P = 63 W. The distance d = 4.7 m.

Q: A girl with 40kg mass is riding an 8 kg bicycle. At the top of the hill her speed is 6.0 m/s, and…

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Q: How many watts of power do you expend when you exert a force of 1 N that moves a book 2 m in a time…

A: The power exerted on the book can be given by

Q: Jack and Jill are both helping to fetch a pail of water in a hill that is 16 meters high. Each of…

A: Given: mass of water m = 5 liter = 5kg distance travelled d = 16m time taken by Jack t1=1.5hrs  time…

Q: An automobile has a power output of 100 hp. When it pulls a cart with a force of 300N, what is the…

A: Answer:-  Given  Power (P) = 100 hp        (1hp = 746 watt)   P = 100 × 746 watt  P = 74600 watt…

Q: How much power is needed to lift a 12.5 kg sack of rice from the ground to a height of 1.5 m within…

A: According to guidelines we need to solve only first question kindly repost other questions in the…

Q: Suppose your mass is 83.5 kg and you climb 40 stairs of height 18 cm in 16.0 s. What is your power…

A: (given)                             Mass = 83.5 kg                           Total distance =…

Q: If your friend pushes a lawnmower 4 times as far as you do while exerting only half the force, which…

A: The work is force times distance. Your friend uses a half of the force but goes four times as far.…

Q: An engine develops 55 kw of power. How much time does it take to lift 550 kg to a height of 40 m.

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Q: A crane operating with power of 1225 W needs to lift a 500 kg mass to height of 30 m. About how ong…

A: Given:- mass of the object m= 500 kg  height h = 30 m  The power P =1225 W  Find:- how long will it…

Q: An automobile has a power output of 1 hp. When it pulls a cart with a force of 300N, what is the…

A: Let the force is denoted by F and the power is denoted by P.

Q: A 51-kg woman runs up a flight of stairs in 5.0 s. Her net upward displacement is 5.0 m. How much…

A: Answer Given  Mass m = 51 kg Time t = 5 s Height h = 5 m

Q: A dog races up the stairs in a time of 1.80 seconds.  If the stairs are 12 feet high, how much power…

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Q: lawn mower weighing 120 kg climbs a slope of 21 °, and 12 m, in 2.5 seconds. What power does the…

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Q: A girl pushes her little brother on his sled with a force of 300 N and does work of 600 J. How far…

A: Given  Girl pushes his brother with the force F = 300 N. Work Done W = 600 J We know the expression…

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: Show that about 786 W of power is expended when a 500-N barbell is lifted 2.2 m above the floor in…

A: The expression for the power is,

Q: The work you do when pushing a shopping cart twice as far while applying double the force is A)…

A:

Q: Suppose Elisha is moving a 30-kg box of books. Compute for her power output in the following…

A: Given: Mass of box of books that Elisha is moving, m=30 Kg To determine power output  a. She exerts…

Q: How much power is developed by an airplane that cruises at 300 m/s when the thrust of its engine is…

A: Power=work (W)time (t)            =force (F)·displacement (S)time (t)            =force…

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: dog races up the stairs in a time of 1.80 seconds.  If the stairs are 12 feet high, how much power…

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Q: A 1200-kg sports car is advertised to accelerate from 0-100 km/h (27.78 m/s) in 3.00 s. What is the…

A: Solution

Q: A 100-lb boy runs up a staircase to a floor 15 ft higher in 5.45 s. His power output is.     Six…

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Q: An athletic champion can produce one horsepower of power (746 W) for a short period of time. The…

A: Scenario - An athletic champion does work against gravity to develop power. Given : Athlete…

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: Going uphill, the gasoline engine in a gasoline–electric hybrid car provides 75 horsepower while the…

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Q: Jack and Jill are both helping to fetch a pail of water in a hill that is 16 meters high. Each of…

A: Well this depends upon the capacity of a person too. Every human being having different capacity of…

Q: What is the power demonstrated by a weightlifter when lifting a 420 kg barbell 1.4 meters in 0.65…

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Q: You push your much-loved 3-kg physics book 0.95 m along a horizontal table top with a horizontal…

A: Given Data:- Mass of the book is m=3 kg Distance the book is pushed is d=0.95 m Applied force is…

Q: A man pushes a lawn mower on a level lawn with a force of 203 N. If 53% of this force is directed…

A: The force acting on the lawn mover is F=53% of 203N=53100×203=107.59N

Q: While cruising along a level ground in a one horse open sleigh at 4.0 m/s, Santa cracks the whip and…

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Q: A man pushes a mower on a level lawn with a force of 155 N over a horizontal distance 7.2 m in 8.0s.…

A: Given data The force is given as F = 155 N. The horizontal distance is given as d = 7.2 m. The time…