A 69.0-kg athlete leaps straight up into the air from a trampoline with an initial speed of 8.9 m/s. The goal of this problem is to find the maximum height she attains and her speed at half the maximum height a) what is the gravitational potential energy associated with the athlete

Q: A 2.5 kg bowling ball is tied to a 1m long string attached to the ceiling. The ceiling is 5 m above…

A: Data Given ,  Mass of the ball ( m ) = 2.5 kg Height above the earth surface ( h )  = ( 5 - 1 ) m =…

Q: A hydroelectric generator converts kinetic energy of water into electrical energy. Each second 2841…

A: Volume of water fall per second =2841 m3 Height H = 442m

Q: A football of mass m = 1 kg is thrown at an initial velocity of v0 = 8 m/s at an angle of θ = 31°…

A: Mass of football= 1kg Velocity of football (vo) = 8m/s θ =31°

Q: A 45.0 kg student climbs a 5.45 m long rope and stops at the top. What must her average speed be to…

A: The work done by the student is equal to the change in gravitational potential energy. Hence,  W=mgh…

Q: A ball is thrown up into the air. Explain what happens to its potential and kinetic energies as it…

A: Here given a ball thrown up into the air. We have to explain what happened to its potential and…

Q: At the local ski slope, an 80.0-kg skier rides a gondola to the top of the mountain. Part A If the…

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Q: Part A (Figure 1) shows the potential energy of a 260g particle as it moves along the a-axis. What…

A: Given value--- mass = 260 g. we have to find--- What is the maximum speed the particle could have…

Q: What is potential energy? Provide a simple explanation. b) An apple on a tree is hanging 3m from…

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Q: A child on a sled (m = 47.0 kg) slides down a long hill starting from a rest position at a point…

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Q: 1) Skate Park Problem: A 7.500-kg particle is launched to a ramp from point 1 with initial velocity…

A: Note : Since the question has multiple sub-parts and as per guidelines we can provide solutions to…

Q: A man carries a 12-kg chair from the first floor (which is 3.3 m above ground) to the second floor…

A: Given :- Mass = 12 kg  ∆h(change in height)= 6.6-3.3m= 3.3 m  g= 9.8 ms^-2 Soln P.E = mgh

Q: A person standing at the bottom of a 10m deep hole in the ground throws a 0.5 kg ball straight up at…

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Q: A hockey referee drops a 175 g hockey puck from rest vertically downward from a height of 1.05 m…

A: We are given mass of hockey puck. We are also given the height of puck from ice surface. We assume…

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 this question is to calculate the kinetic energy of the athlete at the point when…

Q: A) Suppose you are holding a book of mass m and you carry it across the room at a constant height h…

A: (A) In this case, a book has mass m and it is carried across the room at a constant height h above…

Q: An athlete in the Olympic game covers a distance of 100m in 10s. His kinetic energy can be estimated…

A: Option d correct

Q: An athlete with a mass of 63.0 kg is in a cross country race, and at one instant he has a speed of…

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Q: A mass 6 Kg v = 4 m/s 7.40 m 48° В 1.20 m Ground level

A: Given: The mass of the ball is m = 6 kg The initial height of the ball is h1 = 7.4 m The energy lost…

Q: The specialty of an athlete on the women's track team is the pole vault. She has a mass of 60 kg and…

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Q: The gravitational potential energy of a 0.120 kg bird in a tree is 6.60 J. What is the height of the…

A: The expression for the gravitational potential energy is written as, Here, m, g and h represent the…

Q: A projectile is launched at a very high wall 15meters from the launching point. The launch angle is…

A: Given, A projectile is launched at 40 degree with initial speed of 30 m/s

Q: a- Find the velocity x and the position x as functions of the time t for a particle of mass m, which…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: A 75 kg skier starts with an initial speed of 2 m/s down a 40 m high ramp. They launch off a ramp…

A:

Q: A 5.34 kg ball is thrown upward with an initial speed of 13.77 m/s. Ignore air resistance when…

A: Kinetic energy of a body of mass m moving with speed v is given as 12mv2 Gravitational potential…

Q: 1.A the particle has a kinetic energy of 12 J; at point B the particle is momentarily at rest, and…

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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: The force on a particle is described by the function: F(y) = -b+ay+ where a and b are constants and…

A: Force , F(y) = -b + a y4   Potential U(y) is given as U(y)=−∂F∂y=−4ay3U(y)=-∂F∂y=-4ay3

Q: Problem 1: A block of mass 10 kg is being pulled in a straight line alone the ground by a 60 N force…

A: Given  Mass of object, M = 10 kg  Force, F = 60 N  Angle = 45 degree  Coefficient of kinetic…

Q: A spring, with a spring constant k = 30,000 N/m, is compressed from a length of 15.0 cm to 10.0 cm,…

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Q: During the construction of a high rise condominium at Makati, a 45-kg block is vertically lifted 23…

A: Given data:  Mass (m) = 45 kg Height (h) = +23 m Required: The change in the gravitational potential…

Q: Problem 7: Rescue workers lower a sled and injured ice climber, with a combined mass of 95 kg, down…

A: Mass, m=95 kgInclination, θ=60∘Coefficient of friction is μk=0.1Normal force is,Fn=mgcos⁡θ…

Q: The expression Ugrav = mgh is an approximation is that is only valid near the Earth's surface. The…

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Q: .At an amusement park, a swimmer uses a water slide to enter the main pool. If the swimmer starts at…

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Q: 6. An object whose weight is 100 lbf experiences a decrease in kinetic energy of 500 ft. lbf and an…

A: Given  W=100lbf (weight) ∆K.E=500ft lbf(change in Kinetic energy) ∆P.E=1500ft.lbf(change in…

Q: While leaning out a window that is 6.4 m above the ground, you drop a 0.60 kg basketball to a friend…

A:

Q: A projectile is launched at a very high wall 15 meters from the launching point. The launch angle is…

A: Distance of the object from the wall is D = 15 m Angle of projectile is θ=40∘ Initial speed of the…

Q: A small box with a mass of 0.05 kg is placed against a compressed spring that has K = 150 N/m. The…

A:

Q: A 54 kg person climbs a set of stairs at a constant speed up a height of 3.4 m in 32 s. Calculate…

A: Given that:- Mass of person=m=54kg