1.How much power is required to do 40 J of work in 5 seconds?   2.How much power is required for a machine to do 1000 Joules of work in 1 minute?   3.How much power is required to do the same amount of work in 1⁄2 minute?   4.How many Watts of power are required for you to lift a 1 kg mass to a height of 1 meter in a time of 1 second?   5.Calculate the power used lifting a 20 kg barbell to a height of 0.75 m in 1.25 s.

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: 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: 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…

A: According to the kinematics equation, find the acceleration of the flea.Substitute the values,

Q: A chain lying on the ground is 10 m long and its mass is 60 kg. How much work (in J) is required to…

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Q: I've already had a wrong Bartleby Expert answer of "1.17" on this question. I am looking for a…

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Q: image

A: Hey, there are multiple questions posted; we are authorized to answer one question at a time, since…

Q: A 630-kg car speeds up from rest to 43 mph in 3.2 seconds. What is the work done on the car and what…

A: Given Data: The mass of the car is, m = 630 kg. The initial velocity is,  u = 43 mph. The final…

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 Joules of…

A: To determine: The distance moved by the book   Given: Force applied on the book, F=4.5 N Work done…

Q: A 200-kg box is lifted by a forklift from the ground to a height of 2.0 m. i. What is the work done…

A: i. work done by the forklift is W=mgh=200 kg9.8 m/s22 m=3800 J

Q: 2. How long must a 100-W light bulb run in order to consume a million joules of electrical energy?…

A: (2)    Given data:                      Power (P) = 100 W                      Electrical Energy (E)…

Q: If a bicycle has a mechanical energy of 4,000 J at the top of a hill produced 3,000 J of thermal…

A: Given : Mechanical energy at the top of the hill = 4000 J Thermal energy produced on the way down…

Q: A 500 kg car traveling at 55 m/s slows to 30 m/s. How much work done is done on the car in slowing…

A: Given: Mass m = 500 kg Velocity u = 55 ms Velocity v = 30 ms To determine: Force and work done.…

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: 1. What amount of work is done when a 5 newton object is moved a distance of 10 meters?

A: Given data:   Force (F) = 5 N Distance (d) = 10 m Required: Work done (W)

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 weight lifter lifts a 340-N set of weights from ground level to a position over his head, a…

A: The frictional force is that force that tries to resist the motion when trying to move a body over a…

Q: A spring exerts a force of 24 N when it is stretched 0.3 m beyond its natural length. How much work…

A: Given Data : The Force exerted by the spring is given as F0.3=24N The distance by which the spring…

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: How much work is required to lift a 6 kg object from the bottom of a  10 meter deep well?

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Q: what is the kinetic energy in joules of a 1120-kg automobile traveling at 88 km/h?   2. how much…

A: Given, Mass, m = 1120 kg Speed, v = 88 km/h = 88×518=24.44 m/s

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: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic power, in kW…

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Q: 1. A spring with a natural length of 10 cm is stretched by 0.5 cm by a 12 Newton force. Find the…

A: Answer Given data Natural length l = 10 cm Force F = 12 N Spring stretched by x = 0.5 cm

Q: A 0.75 N force of kinetic friction acts on a hockey puck as it slides on ice for 23.4 m. What is the…

A: The work done by a force is calculated by using the formula W=Fd , where F=0.75 N is the force of…

Q: A 45 kg student walks up a flight of stairs that is 2.5 meters tall in 5 seconds. What was the…

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Q: 2. How much power does a person produce when they do 450 J of work in three seconds? O 900 W O 225 W…

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Q: A 630-kg car speeds up from rest to 43 mph in 3.2 seconds. What is the work done on the car and what…

A: (a) Work done is equal to change in kinetic energy W1=Ekf-Eki=12mvf2-vi2=12630 kg19.2 ms2-0…

Q: A 1,452 kg sports car accelerates from rest to 27.1 m/s in 12.3 s. What is the average power output…

A: Given data: Mass of sports car is, m=1452 kg. Initial speed of car is, u=0 m/s…

Q: 11. A 2.0-kg piece of gelatin is made to slide down a ramp from point shown. The total distance…

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Q: 1- An 18,000g object is accelerated at 2m / s', if the object is displaced 40m. What is the work…

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Q: A very light cart holding a 8.7 * 10´N box is moved at constant velocity across a 1.8 m level…

A: Given : F = 8.7 × 102 N d = 1.8 m Velocity = constant

Q: 11. A 2.0-kg piece of gelatin is made to slide down a ramp from point a to point b, as shown. The…

A: mass = 2 kg total distance between a and b = 2 m vertical distance between a and b = 0.8 m weight =…

Q: A 899 kg car accelerates from rest up to 26.0 m/s in 6.14 s. What is the average power output of…

A: The mass of the car is m = 899 kg. The initial velocity of the car is denoted by u = 0 m/s. The…

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: 11. How much work does Amanda's car experience compared to Bertha's? Amanda and Bertha are in a car…

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Q: 2 A 1200kg truck traveling at 100 km/hr is at the top of a 30-m high cliff. What is the kinetic…

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Q: A person does 88 J of work lifting a grocery bag straight off the ground to a height of 1.7 meters.…

A: The work =88J  The height =1.7m To find the grocery bag mass

Q: The spring-flex exercise system consists of a spring with one end fixed and a handle on the other…

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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: (1) Suppose you lift a stone that has a mass of 5.1 kilograms off the floor onto a shelf that is 2.5…

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Q: The skateboarder shown below has a potential energy of 2,800 J at a height of 4 meters. Assuming…

A: According to law of conservation of energy  TEi = PE TEf= PE - fw PE = potential energy fw= Work by…

Q: A 60 -kg man lifts a 50-kg sack of rice and carries it on is shoulder along a 200-m straight path.…

A: Mass of the man is M = 60 kg Mass of the sack is m = 50 kg Distance traveled by the man is d = 200 m…

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: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…

A: Since all the questions are different, as per Bartleby guidelines only 1st one can be answered at a…

Q: 29-kg child starts from rest and slides down a slide that is 3.6 m high. At the bottom of the slide,…

A: Given that - Mass of the child Height Initial velocity Final velocity To Find - We have to…