Indicate whether each of the following statements describes potential or kinetic energy:a. water at the top of a waterfallb. kicking a ballc. the energy in a lump of coald. a skier at the top of a hill

Q: elevator cable breaks when a 925 kg elevator is 22.5 m above the top of a huge spring (k = 8.00×104…

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Q: 3. During a flood a tree truck of mass 100 kg falls down a waterfall. The waterfall is 5 m high. If…

A: Given: Mass of the tree truck = 100 Kg Height of the waterfall = 5 m ignoring air resistance

Q: How much potential energy does a 7.5 kg ceiling fan have with respect to the floor when it is 3.0 m…

A: Given Data :mass of the ceiling fan m = 7.5 kgheight of ceiling fan with respect to floor h = 3 mlet…

Q: 37. The work-energy theorem states that the change in the kinetic energy of an object is equal to…

A: Let the mass of an object = m Let the initial velocity of an object = u Let the final velocity of…

Q: Consider the following continuous time expression of a PID controller: Considering t = NT, find out…

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Q: An elevator cable breaks when a 925 kg elevator is 26.5 m above the top of a huge spring (k =…

A: Given data: The mass of the elevator, m=925 kg. The height of the elevator with respect to the top…

Q: A 2.00-kg ball has zero potential and kinetic energy. Maria drops the ball into a 10.0-m-deep well.…

A: From, the conservation of energy,

Q: A boy reaches out of a window and tosses a ball straight up with a speed of 10 m/s. The ball is 20 m…

A: Given:             A ball straight up with a speed of 10 m/s             The ball is 20 m above the…

Q: 1. A 5.5 kg bird is flying 12 m above the ground. Potential energy of bird is calculated to be ? use…

A: Given that,Mass of bird : m = 5.5 (kg)Height on which bir flying : h =12 (m)Here we need to find the…

Q: What happens when an object is moved against gravity, such as rolling a toy car up a ramp? a.…

A: Option C is correct

Q: A 1500-kg automobile moves at a constant speed of 60 MPH across a 10-m inclined surface. What is the…

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Q: 4. Gillian places a ball on a table at a height of 3.2 m. Afterward, she places it on a table at a…

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Q: ry from the floor onto a shelf 1.9 2) a) How much work Gin Joules) is done in lifting a 2.5 kg…

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Q: Q4. The figure below shows a 500 gram block of wood falling from a certain height. KE: :0 - V, =0…

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Q: A spring has a spring constant, k, of 100 N/m. How much potential energy is stored in the spring if…

A: Given: The spring constant is 100 N/m. The stretching in the spring is 10 cm.

Q: Weightlifter A lifts a 50 kg mass 1 m above the ground. Weightlifter B lifts an identical 50 kg mass…

A: Given data The mass is m=50 kg The height lifted by A is h1=1 m The height lifted by A is h2=2 m The…

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: 1. A 50 kg sled is pushed by applying a force F = 400 N, as shown, with @= 30°. The surface is rough…

A: Hi, you have submitted multiple subpart questions and it is not specified which parts problem you…

Q: A book is found to be sitting at the top of a book shelf with a height of 2.5 meters. If the book is…

A: Let the mass of the book = M Initial height = 2.5 m New position of book = 1 m lower than its…

Q: . What type of energy does he have at the top of the hill? b. What is his potential energy?  c.…

A: The basic concepts used to solve this question are   The kinetic energy of an object is the energy…

Q: Match each example to the type of work or energy described. a swing travels in the same direction it…

A: Too match the correct options for the given question.

Q: Consider holding a heavy chair at arm's length for 3 minutes. At the end of this interval, your arms…

A: we can define work as follows: W=Fd Where,  F is the force W is the work done D is the displacement

Q: Identify each situation as: WORK IS DONE or WORK IS NOT DONE           a.A teacher applies force to…

A: Whether the work is done on the object or not depends on the force applied and displacement of the…

Q: - A ball is dropped from the top of a building. You choose the top of the building as a reference…

A: To explain: Whether the energy calculated using the two different reference points are same or…

Q: 2. A ball is dropped from the top of a building. You choose the top of the building as a reference…

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Q: 89. What happens to the kinetic energy of a moving object if the net work done is positive?" a. The…

A: According to the Work-Energy theorem, the force required to move an object at some distance is equal…

Q: Which of the following explains why a bicycle increases its speed down a hill even without peddling…

A: Total energy of any object remain constant. This is law of conservation of energy. It can change its…

Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…

A: Given data: The mass of the object, m=9 kg. The initial height of the object, h1=26 m. The final…

Q: An arrow is drawn back so that 50 Joules of potential energy is stored in the stretched bow and…

A: The given potential energy stored in the stretched bow and string, that is the total initial energy,…

Q: 2.00-kg ball has zero kinetic and potential energy. Ernie drops the ball into a 10.0-m-deep well.…

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Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…

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