An airplane of mass 4500 kg is cruising at a speed of 49.0 m/s at an altitude of 175 m. What is its total mechanical energy ?

Q: reman of mass 80 kg slides down a pole. For the steps and strategies involved in solving a similar…

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Q: What is the total mechanical energy of a 500 gram object as you release it from 1.5 meters above the…

A: Given that mass m=0.5Kg  Height h=1.5m Total mechanical energy(E)=Kinetic energy+ potential energy…

Q: A 136-kg crate is subjected to the forces shown. If it is originally at 1, determine the amount of…

A: mass of crate (m)=136 kgInitial speed (u)=1 m/sFinal speed (v)=9 m/scoefficient of friction (μk)=0.2

Q: A 22 kg child slides down a 4.0 m high playground slide. She starts from rest, and her speed at the…

A: Given value--- mass = 22 kg. initially height = 4 m. initial speed = 0 m/s. final speed = 3 m/s.…

Q: A dam collects water at a height of 300 m. The water can be let down through a pipe. As it falls to…

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Q: A person runs up a long flight of stairs in 10 seconds. If the person's weight is 600 N and the…

A: Given data Weight of the person W = 600 N time taken t = 10 s Power is defined as the work done per…

Q: A car with mass of 1087 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ignore air resistance. The…

A: Average mechanical power output of the engine is equal to the change in the kinetic energy of the…

Q: A block of ice with mass 3.00 kg slides 2.00 m down an inclined plane that slopes downward at an…

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Q: A 1-lb stone is dropped down the “bottomless pit” at Carlsbad Caverns and strikes the ground with a…

A: Let h be the height of pit. kinetic energy =12mv2 height, h=v22g

Q: A 2.3 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy…

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Q: The temperature of a plastic cube is monitored while the cube is pushed 2.3 m across a floor at…

A: Given Data:- Horizontal force is F=13 N The plastic cube is pushed by a distance d=2.3 m. Increase…

Q: Emma (m=55 kg) is going around a 19.5-m high roller coaster loop. Her velocity at the bottom of the…

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Q: what is the PE of a 4 kg object that is 5 m above the ground?

A: Given data:     The mass of the object is: m = 4 kg The height of the object from ground level is: h…

Q: "A toy rocket, weighing 10 N, blasts straight up from ground level with a kinetic energy of 40 J. At…

A: GivenWeight of the rocket = 10 kinetic energy of the rocket at ground level, K = 40 Jtotal…

Q: How much work must be done on a heavy object to lower it from a height where it has 4000 Jof GPE to…

A: Initial gravitational potential energy = 4000 J Final gravitational potential energy = 2200 J…

Q: A 100 kg box has 5,000 J of kinetic energy. The coefficient of friction between the box is 0.4. How…

A: Given that Mass of the box m = 100 kg Kinetic energy K = 5000 J Coefficient of kinetic friction is μ…

Q: Consider a roller coaster that moves along the track shown in the figure below. Assume all friction…

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Q: object of mass 3.0 kg is dropped from a certain height. Just before it strikes the ground it has a…

A: According to conservation of energy Total energy of isolated system remains constant.

Q: 10.0 kg bowling ball falls from a 5.0 m shelf. Just before hitting the floor, what will be its…

A: mass = m= 10 kg height = h = 5 m initial velocity = V0= 0 m/s kinetic energy = ?

Q: A 1.5 Kg ball at initial altitude of 0.0 m is trough upward with an initial speed of 10.0 m/s What…

A: Given data:  Mass (m) = 1.5 kg Initial altitude (h) = 0.0 m Initial Speed (v) = 10.0 m/s Required:…

Q: What is the speed of a rollercoster if it weighs 557 kg and produces 118793 J of thermal energy from…

A: Given,  mass of rollercoaster is m = 557 kg total thermal energy produced is Q = 118793J Point 1-…

Q: A worker drops a wrench from a ladder. The wrench falls for 6.2 seconds. What is the final velocity…

A: 1. Final velocity of the wrench is, v=u+gt=0 m/s+9.8 m/s26.2 s=60.76 m/s…

Q: A 40.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 130…

A: Given:-  mass of the projectile m= 40 kg  Initial speed v= 130 m/s  h= 132 m  θ=30° Find:- (a) What…

Q: The temperature of a plastic cube is monitored while the cube is pushed 3.0 m across a floor at…

A: work done on the cube = increase in thermal energy of cube plus increase in thermal energy of floor.…

Q: a 16 kg girl slides down a playground slide that is 4.8 m high. when she reaches the bottom of the…

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Q: Answer the question using law of conservation of energy A 1.00 X 10^3 kg roller coaster starts from…

A: According to conservation of energy , the energy of an isolated system remains constant.…

Q: 5. A 0.50-kg ball is thrown vertically upward with an initial speed of 16.0 m/s. What is the kinetic…

A: Given Mass of ball = m = 0.50 kg initial velocity= u = 16 m/s We have to calculate the kinetic…

Q: utral gear at 1

A: Given: Jeep's mass is 1000 Kg Velocity level and hill's height can be 14 m/s and 10m. To find the…

Q: A block of mass m is at the top of an inclined plane of length L and angle of inclination 0. The…

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Q: A spring powered toy gun is used to fire a 0.2kg ball. The spring has a spring constant of 500N/m…

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Q: A 98 kg bicyclist traveling 15 m/s coasts up a 5 m high incline. After reaching the top of the…

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Q: A 3.0 kg package is released and slides down a ramp, which is 10 m in length and is inclined at an…

A: Given: m = 3.0 kg L = 10 m θ = 30° f = 5.0 N

Q: A bag of wheat weight 280 kg.To what height should it be raised so that potential energy is 8900 J?…

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

Q: A pump is required to lift 800 kg of water per minute from a well 13.8 m deep and eject it with a…

A: Here the mass of water lifted per minute  = 800 kgdepth of well = h = 13.8m the ejected speed of the…

Q: 10. A 0.58-kg ball is thrown vertically upward with an initial speed of 13.5 m/s. What is the…

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Q: A 2.4 kg mass starts from rest at point A and moves along the x axis subject to the potential énérgy…

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Q: An electric engine in a 2.0 kg remote-control toy car has a power output of 4.0 W. How fast will it…

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Q: A 5.0 kg box moves up a ramp with some initial speed. It reaches a vertical height of 3.0 m before…

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Q: In order to test energy principles, I decide to do the following experiment with my son at the…

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Q: Part of the route of a roller coaster is as follows:  Determine: The ETOTAL en A The  ETOTAL en B…

A: According to conservation law of energy, Total energy of roller coaster is remains constant at every…

Q: Karen lifts a 10.0 kg box up from the ground to a height of 1.50 meters. He then lowers the box to…

A: Mass of the box m = 10.0 kg Initial height hi = 1.50 m Final height hf = 0.630 m

Q: Humans can produce an output power as great as 20 W/kg during extreme exercise. Sloths are not so…

A: Let h denote the vertical height the sloth climbs, t denote the time taken, m denote the mass of the…

Q: A 98 kg bicyclist traveling 15 m/s coasts up a 5 m high incline. After reaching the top of the…

A: Given: Mass of bicyclist, m=98 kg Speed of bicyclist at bottom, u=15 m/s Speed of bicyclist at top…