What is the gravitational potential energy of a ball with a weight of 69 N when it is sitting on a shelf 1.6 m above the floor? J What assumption do you need to make to get your answer

Q: a.An atwoods machine consists of two blocks, A (m=1.3 kg) and B (m=8.7kg). Block B is released from…

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Q: A 2400-kg pile driver is used to drive a steel beam into the ground. The pile driver falls 5.00 m…

A: Given data *The mass of the pile driver is m = 2400 kg *The height that the pile driver falls before…

Q: A 34.0 cm long pendulum with a 245-g bob swings through at an angle of 180 degrees. Choose the…

A: L =34 cm  mass, m = 245 g = 0.245 kg

Q: A can of beans that has mass M is launched by a spring-powered device from level ground. The can is…

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Q: A 1.15 kg block slides on a rough horizontal table top. Just before it hits a horizontal ideal…

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Q: 1995M2. A particle of mass m moves in a conservative force field described by the potential energy…

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Q: A block slides up an inclined plane. Friction is present between the block and the plane. Which of…

A: Answer :) option(a) the total energy of the block earth system decreases because of the frictional…

Q: Use the work-energy theorem to find its maximum height. Express your answer with the appropriate…

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Q: From the energy equation obtain the work W, spent on friction.

A: Conservation of energy Wf=∆KE+∆PE=12mv2-u2+mghf-hi=mv2-u22+ghf-hi

Q: An object of mass m=1kg moving along the x-axis passes through the point x = 0 with a speed of 2…

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Q: Along Roxas Boulevard, a certain group of men pushes a 29400-N car along a horizontal ground from…

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Q: Two skiers, with masses of 72 kg and 58 kg, are at the top of a ski hill. The altitude at the top of…

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Q: The friction and air resistance were ignored in part A, but the normal force was not. Why it is true…

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Q: Given two forces F₁ = (2y + 8xy³)i + (2x+ 12x²y²)ĵ, F₂ = (y - 2z)i + 3xj (1) Determine whether or…

A: are the two forces.

Q: c. A block of stone with a height of 2m, has a mass of 75 Kg. This stone is hauled along a…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: At the local ski slope, an 65.0-kg skier rides a gondola to the top of the mountain. Part A If the…

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Q: A 74.8-kg boy is surfing and catches a wave which gives him an initial speed of 1.60 m/s. He then…

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Q: The world's fastest humans can reach speeds of about 11 m/s. n order to increase his gravitational…

A: The world's fastest humans can reach speeds of about 11 m/s. So speed of humans , v=11 m/s Find: -…

Q: C) Create a formula for the gravitational potential energy in each figure a and in figure b based on…

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Q: Suzie Lavtaski (m=60 kg) is skiing at Bluebird Mountain. She is moving at 15 m/s across the crest of…

A: The formula of kinetic energy is  K = 0.5 mv2  The formula of the potential energy is  U =  m g h…

Q: A 4500 kg spacecraft is in a circular orbit 1500 km above the surface of Mars (mM = 6.42 x 1023 kg.…

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Q: 11.a. Consider the standard problem of raising a mass m through a height h near Earth's surface.…

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

Q: A 2-kg car accelerates uniformly from rest to a speed of 10 m/s in the first 5s (frictionless…

A: Given that:-Mass of car, m=2 kgAt, t=5 secvelocity, v=10 m/secBy using equation of motionv=u+at…

Q: A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.52 m/s. The pulling…

A: A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.52 m/s. The pulling…

Q: A hydroelectric power facility (see figure) converts the gravitational potential energy of water…

A: The objective of the question is to find out what fraction of the energy of a 9 megaton fusion bomb…

Q: ▼ Part A with a force of 1.2 mN. W = What is the work done by the muscle fiber as it contracts to a…

A: Given F = 1.2 mN   = 1.2 × 10-3 N Muscle fiber contracts from 2 cm to 1.6 cm length∆ L = 2 cm - 1.6…

Q: Suppose a 443 g kookaburra (a large kingfisher bird) picks up a 74 g snake and raises it 2.3 m from…

A: Work done by a force to raise an object to a height is called the potential energy of the object

Q: a skater moving at 3.0 m/s encounters a rough patch that reduces her speed by 45% due to a friction…

A: Initial speed of the person is u=3 m/s Final speed on rough patch is v=45% of u Friction force is…

Q: A small block with mass 0.0400 kg is moving in the ay-plane. The net force on the block is described…

A: To find the magnitude of the acceleration of the block at the given point, we need to calculate the…

Q: Part A A system in which only one particle can move has the potential energy shown in (Figure 1).…

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Q: the figure, a frictionless roller coaster car of mass m = 826 kg tops the first hill with speed vo -…

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Q: As a sailboat sails 55 m due north, a breeze exerts a constant force F₁ on the boat's sails. This…

A: Given Data:- Magnitude of s1→=55 m Magnitude of s2→=44 m Magnitude of two forces are equal.…

Q: A balloon of mass M lifts a small rock of mass m from its resting position on the ground to an…

A: M= mass of the baloonm= mass of the rockFo=upward force exerted by the baloon on the rockH= altitude…

Q: A 1.00 kg ball is thrown directly upward with an initial speed of 16.0 m/s. A graph of the ball's…

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Q: A box is under the influence of two (and only two) forces. Julio is pulling the box to the left. A…

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Q: g these problems Part G A pendulum is made of a small sphere of mass 0.250 kg attached to a…

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Q: An ideal spring of negligible mass has a spring (force) constant of 1500 N/m. (a) How far must the…

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Q: Systems and energy conservation

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Q: A. A large speaker that you are planning to use, has a huge diaphragm connected to a spring, the…

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Q: In the movie Monty Python and the Holy Grail a cow is catapulted from the top of a castle wall over…

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.