How high up is a 3200-kg plane if it has 960000 J of potential energy?

Q: How fast must be the 4.0 kg basketball thrown upward to achieve the same potential energy of 160 J?

A: Given: The mass of the object is 4 kg. The potential energy of the object is 160 J.

Q: During a long-distance race, a runner weighing 60.6 kg travels at a speed of 3.10 meters per second.…

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Q: .How much work is done in lifting a 2-kg ball 0.5m high? Express your answer in a) joules and b)…

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Q: A bag of wheat weight 300 kg .To what height should it be raised so that potential energy is 9600 J?…

A: Given data :        Mass of the bag  =  m         Potential energy   =  P•E         Acceleration due…

Q: A car of wheat weight 700 kg.To what height should it be raised so that potential energy is 8860 J?…

A: Given data:  Mass of car (m) = 700 kg Potential energy (PE) = 8860 J Acceleration due to gravity (g)…

Q: Your job is to lift 30-kg crates a vertical distance of 0.90 m from the ground onto the bed of a…

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Q: If a small motor does 500 J of work to move a toy car 250 m, what force does it exert?

A: Work Done ( W ) = Force (F) * Distance moved (D) where W is in J ( Joules) F is in N (Newtons) and D…

Q: A 20.0 kg crate, initially at rest, slides down a ramp 2.0 m long and inclined at an angle of 20°…

A: solution as

Q: A student lifts a 1.42-kg book from her desk to a bookshelf. If thegravitational potential energy of…

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Q: Find the potential energy gained by a body of mass 60 kg, if it is raised by 12 m. (use g = 10 m/s2)…

A: Potential energy is defined as the product of mass, gravitational acceleration and height. PE = mgh

Q: A bag of wheat weight 290 kg .To what height should it be raised so that potential energy is 7680 J?…

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Q: A bag of wheat weight 330 kg .To what height should it be raised so that potential energy is 7800J?…

A: Given data:  Mass (m) = 330 kg Potential Energy (PE) = 7800 J g = 9.8 m/s2 Required: Height (h)

Q: A 1700 kg car coasts on a horizontal road with a speed of 23 m/s. a) How much work must be done by…

A: Given data: Mass (m) = 1700 kg Initial velocity (v0) = 23 m/s Final velocity (vf) = 17 m/s Required:…

Q: A spring has a natural length of 16 cm. If a 25-N force is required to keep it stretched to a length…

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Q: A 60 kg woman whose average power is 30 W can climb a mountain 2.0 km high in

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Q: At what speed does a 1000 kg compact car have the same kinetic energy as a 2.00×10* kg truck going…

A: Given : mass of compact car, mc = 1000 kg             mass of truck, mt = 2.0 × 104 kg…

Q: A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the…

A: The expression for work done is, W=F×d                                    F=force,d=dispalcement…

Q: A 62.6 kg runner has a speed of 5.10 m/s at one instant during a long-distance event. How much net…

A: We know:

Q: a 6.0 kg rock fropped from a height of 3.0 m. at what height is the rocks kinetic energy twice its…

A: Given data: Mass of the rock (m) = 6 kg Initial height (h0) = 3 m Need to determine  the height of…

Q: How many joules of kinetic energy does a 750 kg automobile travelling at a typical highway speed of…

A: Given, Mass of automobile,m=750 kg Speed of automobile,v=65 mi/h=29 m/s Final speed of car, vf=v2

Q: If you push a crate horizontally with 100 N across a 10-m factory floor and friction between the…

A: The horizontal force is 100N, the frictional force is 70N, and the distance moved by the crate is…

Q: A car of wheat weight 120 kg . To what height should it be raised so that potential energy is 2320…

A: Given data The weight of the wheat car is given as m = 120 kg. The potential energy is given as PE…

Q: Calculate the work done  in KJ when you want to raise the elevator which is 2300 kg to a height of…

A: The amount of work that needs to be done to raise an object of mass 'm' to a height 'h' is given by:…

Q: The mass of 1 cubic meter of fresh water at the top of a 100 m hydroelectric dam is 1,000 kg and it…

A: Given: The mass of the water is m=1000 kg. The height of the dam is h=100 m. The volume of water is…

Q: What would be the power output in hp of a 1750 kg car if it can ascend to the top of a 285 m high…

A: Take the bottom of the hill to be at height zero. The potential energy of the car at the bottom of…

Q: How much work (in J) is required to move a box that weighs 13 kg upward by 65 cm? Use the fact that…

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Q: Calculate the work you must do to accelerate 2 kg from 2 m/s to (2 + 1) m/s.

A: As per the given data,   mass(m)=2 kg;Initial velocity (u)=2 m/s;Final velocity (v)=2+1 m/s=3 m/s;

Q: A 6.0 kg box slides a 12 m distance on ice. If the coefficient of friction is 0.21, what is the work…

A: Given data: Mass (m) = 6.0 kg Distance (s) = 12 m Coefficient of friction (μ) = 0.21 Required: Work…

Q: A body having 7 kg of mass moves with a velocity of 20 m/s covers a vertical height of 8.75 m. What…

A: Given data:  Mass, m = 7kg   velocity, v = 20m/s   Height, h = 8.75m   g = 10m/s2

Q: What is the average power needed to move a 1000 kg car from rest in 7 seconds at a rate of 4 m/s^2?

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Q: At what speed does a 1000 kg compact car have the same kinetic energy as a 20,000 kg truck going 25…

A: Given: The mass of car is 1000 kg. The mass of truck is 20000 kg. The speed of car is 25 km/h.

Q: How high must a 20 kg box be lifted to give it 784J of potential energy?

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Q: What is the average power supplied by a 60 kg person running up a flight of stairs a vertical…

A: The person’s average power can be determined as, Here, W and t represent the work done and the…

Q: A car of weight 180 kg. To what height should it be raised so that potential energy is 1420 J? Take…

A: Introduction :  In this question we are provided it value of potential energy ,mass and acceleration…

Q: A 10 kg mass is held 1.0 m above a table for 25 s. How much work is done during  that time?

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Q: How much potential energy does a person of mass 82kg have if they are standing at the top of a…

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Q: at is the Potential energy of an 82kg boulder placed on top o b) 4810 J a) 4180 J c) 4108 J a…

A: (8)Given values:- Mass of the boulder,(m)=82 kg ----(1) Height of the hill,(h)=5 m ----(2)…

Q: A 2.0-kg projectile moves from its initial position to a point that is displaced 20 m horizontally…

A: Mass, m = 2 kg Horizontal displacement = 20 m  Vertical displacement = 15 m

Q: How much potential energy does a 20kg cat sitting on the top of a 15m tall tree have (assume g-10…

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Q: Samantha pushes a 9.6 kg crate up a ramp 7.3 * 104 m in length and inclined at 2.1° with the…

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Q: If a car of mass 1200 kg is moving along a highway at 120 km/h, what is the car’s kinetic energy as…

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Q: What is the power output for a 60.0-kg woman who runs up a 3.00 m high flight of stairs in 3.50 s,…

A: The mass of the woman is m=60 kg. The height is h=3 m. The time is t=3.50 s. The final speed is vf=2…

Q: On a playground slide, a child has potential energy that decreases by 1000 J while her kinetic…

A: The dissipative force involved during sliding motion is the frictional force between the ground and…

Q: A 30-kg block is raised vertically 1.5 meters. What is the change in potential energy? Answer in SI…

A: Mass of block (m) = 30 kg height raised (H) = 1.5 m

Q: A bag of wheat weight 130 kg. To what height should it be raised so that potential energy is 150 J ?…

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Q: If you push a crate horizontally with 100N across a 10-m factory floor and the friction between the…

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Q: How much work (in J) is required to move a box that weighs 18 kg upward by 35 cm? Use the fact that…

A: Given, Mass  of the box m = 18 Kg Upward distance h = 35 cm = 0.35 m Acceleration due to gravity g =…

Q: A weightlifter raises a 150-kg barbell from the floor to a height of 2.2 m in 0.80 s. What is his…

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