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: A 18-kg child slides down a 4.0m-high playground slide. She starts from rest and her speed at the…

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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 tourist being chased by an angry bear is running in a straight line toward his car at a speed of…

A: Speed of tourist, v = 5.52 m/s Speed of bear, V = 7.71 m/s Distance between tourist and bear, D =…

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 10 kg sled with a kid inside is sliding down a hill on dry snow. At point A, it has a speed of v=…

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Q: Town B own A XP 640 km

A: frequency = 0.5 Hzone concentric circle represents one wavelength Therefore, 8 * wavelength = 640 km…

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 2-kg brick is thrown downward from a height ?1 = 15 m to ?2 = 10 m. The initial kinetic energy of…

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Q: A 1200 kg frictionless roller coaster starts from rest at a height of 18 m. What is its kinetic…

A: Using law of conservation of energy, the expression for find kinetic energy is…

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 rock falls from a vertical cliff that is 4.0 m tall and experiences no significant air resistance…

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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: A 0.6 kg box moves up a ramp with some initial speed. It reaches a vertical height of 3.5 m before…

A: Solution: Given: m = mass of box = 0.6 kg g = gravitational acceleration = 10 m/s2 h = height of…

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: A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s.…

A: The objective of the question is to find the kinetic energy of the athlete at the maximum height she…

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: of the cart at each of the following po A: The bottom of the first hill B: The top of the second…

A: Conservation of Energy According to the law of conservation of energy, the total mechanical energy…

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 240-kg roller coaster reaches the top of the steepest hill with a speed of 5.60 km/h. It then…

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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: A 100-g Frisbee is thrown at a speed of 5.5 m/s, 1.3 m above the ground. The Frisbee has a potential…

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Q: A 50-N force is the only force on a 2-kg crate that starts from rest. Consider the instant the…

A: Write the given values with the suitable variables. F=50 Nm=2 kgu=0 m/sd=2 m Here, F, m, u, and d…

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: Problem 3: Consider a box of mass 8.5 kg being accelerated along the floor at 2.9 m/s2. Randomized…

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Q: 2.0-kg block starts with a speed of 10 m/s at the bottom of a plane inclined at 37° to the…

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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: A 34.7 kg child rides a 5.30 kg toboggan down a 13.1 m high snowy hill. If the child starts from…

A: Given,

Q: A force of 120 N is used to lift a 10 kg box to a height of 5.0 m. If the box started from rest what…

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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: At Schlitterbahn, a 75.0 kg person rides a 12.0 m high water slide. If dissipative forces do -6.25 x…

A: Visualize the Problem:

Q: A 100 kg block of ice slides down an incline that is 5m long and 3m tall. Someone pushes up on the…

A: Solution     All the forces and  direction are shown   in the figure.         sinθ=35…