A solid 25-kg wood block is lifted a vertical distance of 3 meters. Its potential energy increases by -- J. (Use g = 10 m/s²)

Q: What is the kinetic energy of 1 kg of air (about 1 m3) moving at 15 m/s (about 32 mph)? If it takes…

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Q: A child is standing on top of a 15ft hill, getting ready to run down all the way to the bottom. If…

A: Introduction: The energy of a body is stored in the form of potential energy due to the height…

Q: A 310g stone is raised to a height of 29m. the gravitational potential energy (in Joule) of the…

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Q: A 8-kg object falls vertically a distance of 5 m. Its potential energy has changed by approximately…

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Q: A 220-kg motorcycle is cruising at 14 m>s. What is the total work that must be done on…

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Q: A 1200-kg car accelerates from 30 to 50 km/h in 5 s. How much work input does that require? answer…

A: Given value--- mass = 1200 kg. initial speed = 30 km/h. final speed = 50 km/h. Time = 5 sec. We…

Q: 7. A ball is raised 5.0 m off the ground and weighs 750 g. What is its potential energy? 750 grams =…

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Q: Calculate the work done in lifting a 300 N weight to a height of 10 m with an acceleration 0.5 ms.…

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Q: A bird of (1.6 kg) flies with (5 m/s), calculate its energy.

A: Given, mass of the bird, m = 1.6 kg speed of the bird, v = 5 m/s

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: A stone of mass 0.4 kg is thrown vertically up ALE with a speed of 9.8 ms. Find the potential energy…

A: Given: The mass of the stone: m = 0.4 kg. The speed with which the stone is thrown vertically up: u…

Q: A chimp climbs on to a wall that is 3.6m high and gains 2 268 J of potential energy. What is the…

A: Bartleby's guidelines allowing answer only the first question

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: My 3.25 kg cat, Pretty Kitty, likes to sit on the tallest perch in her cat tree, 2 m tall. What is…

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Q: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body…

A: Write the expression for power, and simplify for the given situation

Q: A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is…

A: Answer Given  Mass m = 60 kg Height h = 50 m Work done W = -6 kJ = -6×10-3 J According to the…

Q: A solid 25-kg wood block is lifted a vertical distance of 3 meters. Its potential energy increases…

A: Gravitational Potential Energy is given by  PE = mgh

Q: Calculate the work done by the earth on a 2.00 kg brick that falls from the roof of a 10.0 m…

A: Given that             The mass of a brick (m) = 2.00Kg            The height of the brick(h) = 10m…

Q: 2.5 kg dictionary from the floor onto a shelf 1.9 How much work (in Joules) is done in lifting:a m…

A: The work done in joules can be calculated in given steps:Given:

Q: While running, a person dissipates about 0.60 J of mechanical energy per step per kilogram of body…

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Q: If a 1 kg stone is thrown vertically upward w/ a kinetic energy of 680 J. it will rise to height of…

A: According to conservation of energy , the kinetic energy of stone is equal to the potential energy…

Q: Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2)…

A: The potential energy is given by  U = m g h  where, m is the mass, g is the gravity and h is the…

Q: A 5 kg ball falls from height of 16 m. What willbe potential energy of the ball after 1 second?  Use…

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Q: 50 kg object was raised to a height and gained a potential energy of 1212 J. What was the height…

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Q: How high would you have to lift a 2000 kg car to give it a potential energy of: (a)  0 x 103 J,…

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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 4kg box is sliding across the floor with a kinetic energy of 107 J.  After friction has done -30 J…

A: Given, Mass, m= 4kg, KE, KE= 107 J, and Frictional force, Ff=-30 J.

Q: A bag of wheat weight 100 kg .To what height should it be raised so that potential energy is 2500J?…

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

Q: Calculate the potential energy of the 50-kg skater where his speed is at 3.4 m/s.

A: We have initial velocity u=1.3 m/s and final velocity v=3.4 m/s traversing a distance of s=38 m from…

Q: A 40 lb stone is hoisted to the top of a building 100 ft high. By how much does its potential energy…

A: Given, mass of the stone, m = 40 lb height of the building, h = 100 ft

Q: Starting from rest, a 1.00 kg crate is accelerated across a floor at a rate of 3.0 m/s^2 for 0.50…

A: Givenmass of crate(m)=1.00 kgacceleration(a)=3.0 m/s2 time(t)=0.50 minutes=30 secondsinitial…

Q: If it requires 6.0 J of work to stretch a particular spring by 2.0 cm from its equilibrium length,…

A: Given: The work is 6.0 J.           The distance from the equilibrium position is 2.0 cm.  To…

Q: A spring has a natural length of 40 cm. If a 60-N force is required to keep the spring compressed 10…

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Q: Catching a wave, a 77-kg surfer starts with a speed of 1.3 m>s,drops through a height of 1.65 m,…

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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: A spring has a natural length of 22.0 cm. If a 24.0-N force is required to keep it stretched to a…

A: Given data: Natural length = 22.0 cm Force required to stretch 34.0 cm is F = 24.0 N  Required: Work…

Q: A spring with a spring constant of 50.0 newtons per meter is compressed 0.25 m. How much potential…

A: Spring constant of the spring is k = 50 N/m Compression in the spring is x = 0.25 m

Q: A basketball of mass 0.0400 kg is dropped from a height of 5.00 m to the ground and bounces back to…

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Q: At what height is the rock's kinetic energy twice its potential energy?

A: Mass of rock , m = 2.0 kg Height from which rock is dropped , H = 21.0 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: Two carts connected by a spring collide with a wall causing the spring to compress 0.03 meters. If…

A: spring potential energy is defined as, E = (1/2)kx2 k = 100 N/m x = 0.03 m

Q: A 5.0-kg cart is moving horizontally at 4.0m/s. In order to change its speed to 10.0m/s, the net…

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Q: A 3 kg ball falls from height of 14 m. What willbe potential energy of the ball after 1 second?  Use…

A: given, mass (m)= 3 kg height (h)= 14 m S= ut+12gt2 So, initial velocity (u)= 0 how much the ball…

Q: A Boeing 747 weighing 520,000 pounds needs to be raised 7.34 feet in the air so maintenance can be…

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Q: Calculate the kinetic energy of an 850 kg car traveling at a rate of 15 m/s.

A: Given: The mass is m=850 kg. The velocity is v=15 m/s. The expression for kinetic energy is:…