A ball of mass 2.2 kg is raised 8 m above the ground and released. (i) Find the velocity of the ball when it hits the ground. (ii) Find the height of the ball above the ground when its gravitational potential energy is equals to kinetic energy

Q: If the potential energy of an object at a certain height is 200 J and it falls, then what would its…

A: Given in question - Potential energy at height (P.E) = 200 J To find - What would be its kinetic…

Q: By how much does the gravitational potential energy of a 52-kg pole vaulter change if her center of…

A: Given data The mass is m=52 kg The change in height is, ∆h=4.0 m

Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12kJ O0.12 kJ O 120 kJ O 12 k

A: Part (1): Given: The mass of the object is 30 kg. The speed of the object is 20 m/s.

Q: - If a ball is launched from ground level into the air with 16 J of kinetic energy (KE). [no E-S-A…

A: Given data:  At ground level Ball's initial kinetic energy (KEi) = 16 J Required: GPE and KE at peak…

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Q: What happens to the Potential and Kinetic energies of a body as it falls down from a height? A) Its…

A: Potential energy is the energy stored in an object when it is kept at a height, whereas kinetic…

Q: A body of mass 3.16 kg is at rest and subjected to a force of 3.27 N. Find the kinetic energy at the…

A: Given: In this question, the given details are, A body of mass 3.16 kg is at rest and subjected to a…

Q: A 0.2 kg ball is rest on edge of the top of a 1 m height table. Does the ball have kinetic energy?…

A: Given that: Mass of ball, m=0.2 kg Ball is in rest at the top of the table with height, h=1 m

Q: Is it possible to increase the kinetic energy without the application of external force?

A: yes the kinetic energy will increase without applying any external force. for example, when we kept…

Q: A 50-kg box falls from a bridge and lands in the water 20 m below. Find its (a) initial potential…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: By how much does the gravitational potential energy of a 58- kg pole vaulter change if her center of…

A: m=58 kgh=4 mg=9.81 m/s2

Q: Q31. If a ball falls from a height h then the sum of its kinetic and potential energy after it falls…

A: Let the mass = m  Let the height from which mass is dropped = h

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A: Initially, the object is launched vertically. Therefore, it has kinetic energy:    K.E.=12mv2   When…

Q: p. add the values together to get the total energy. don't forget to label the units

A: We know that the formula of the gravitational potential energy is given as  GPE = mgh  where m is…

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A: Introduction: Capacity of doing work is nothing but the energy. In nature, there are various forms…

Q: A 68.5-kg runner has a speed of 3.00 m/s at one instant during a long-distanče event. (a) What is…

A: (a) The kinetic energy of the runner is, KEi=12mv2=1268.5 kg3.00 m/s2=308.25 J=3.08×102 J

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Q: A ball of 1,500 grams is kicked at an angle of 35° with the ground with an initial velocity V0. a)…

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Q: (14%) Problem 6: A football of mass m = 1 kg is thrown at an initial velocity of vo = 19 m/s at an…

A: Given data: The mass of the football m = 1 kg. The initial velocity v0 =19 m/s. The angle θ=31°

Q: A 0.2 kg ball is rest on edge of the top of a 1 m height table. Does the ball have kinetic energy?…

A: From the question it is given that:  Mass of ball: m = 0.2 kg  Height of table: 1m

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Q: An elevator in Goodtaste Baguio of 8 persons- capacity with a mass of 1750 kg plus unknown total…

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Q: The position of a 3 kg object is given by = 3t²i – 2tj . What is the work done in that at time…

A: Solution: Gieven that m = 3 kg r = 3t2i-2tj t = 1s to 2s

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A: Given thatmass = 222 kg.height from Earth surface = 32 km=32000mTo find thata. The amount of…

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Q: the change in potential energy

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Q: The gravitational potential energy stored in a box of weight 150 kgf is 1.5* 104 J. Find the height…

A: Write the given values with the suitable variables. W=150 kgf=150×10 NP=1.5×104 J Here, W is the…

Q: 1) A 1622 kg car has a speed of 11.3 m/s when it hits a tree. The tree doesn’t move and the car…

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Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12 kJ O.12 kJ O 120 kJ O 12 kJ

A: Given data: Mass (m) = 30 kg Velocity (v) = 20 m/s Required: Kinetic energy (KE)

Q: 0.50 kg ½ = 1.5 m/s r=0.95 m 2.0 m 1.9 m A toy roller coaster is shown above. Ignore friction except…

A: This is a problem related to the conservation of energy. Conservation of energy says, Energy of the…

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A: Given:- Umax= 200 J m= 4 Kg To find:- u= initial velocity

Q: A 1300-kg car travelled from 10 to 60 km/h on an uphill road with a vertical rise of 30 m. Question…

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Q: A bowling ball of mass, M = 2 kg is dropped from a height, h = 0.40 m to the floor. Find the change…

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Q: 2. A 155-g baseball is thrown so that it acquires a speed of 35 m's. (a) What is its kinetic energy?…

A: a) The expression for find kinetic energy of the ball is KE=12mv2 Substitute values in the above…