A boy sees a rope swing and runs at it, grabbing the rope and swinging on it. If the boy was running at 4.5 m/s, how high above the ground would he swing?

Q: A car traveling 3.5 m/s coasts up a hill decreasing its speed to 2.2 m/s. Neglecting losses from…

A: From the conservation of energy:

Q: If we know the total energy in a system is 140 J, and we know the Potential Energy is 100 J.  What…

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Q: A 20 kg child is on a swing that hangs from 3.0-m-long chains. What is her maximum speed if she…

A: Given Data: Child mass, m=20 kg Chain length, L=3 m Swings out angle, θ=45°

Q: 5 meter long pendulum swings between ±50°.  Its mass is 4 kg.  Let’s look at the pendulum when it…

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Q: 4. A 2.0 kg mass shown is placed against a spring compressed by 10.0 cm from its natural state. The…

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Q: 1.5 kg block is attached to a horizontal spring, with the other end attached to a wall, and the…

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Q: A 34 kg child uses a pogo stick to bounce up and down. The spring constant, k, of the toy equals…

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Q: The maximum speed of a child on a swing is 4.90 m/s. The child’s height above the ground is 0.810 m…

A: Given data as per question velocity of swing =4.90 m/s  Child’s height above the ground = 0.810 m

Q: Pendulum: A 1.76 kg mass is attached to a 11.01 m string that is anchored to the ceiling. The mass…

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Q: Catherine is at the park swinging on the swings. She has a mass of 37 kg and a speed of 7.5m/s as…

A: The formula for the maximum kinetic energy is: In SHM, at equilibrium, the velocity is maximum,…

Q: A spring-loaded toy gun is used to shoot a ball of mass m=1.50kg straight up in the air, as shown in…

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Q: A 200-g steel ball is tied to a 2.00-m “massless” string and hung from the ceiling to make a…

A: We draw a diagram according to the question. Also take  dotted line below the figure as a reference…

Q: A pendulum is constructed by attaching a small metal ball to one end of a string of length ?=1.40 m…

A: In a given case, three force are acting on the object : 1) Tension 2) weight(mg) 3) the force that…

Q: A simple pendulum, 1.00m in length, is released from rest when the support string is at an angle of…

A: Given: The length of the pendulum is 1 m. The angle of the pendulum with vertical is 20o. The…

Q: The 23 kg girl in the swing at (A) is at a height of 0.80 m above position (B). What is the speed of…

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Q: Tarzan plans to cross a gorge by swinging in an arc from a hanging vine. If his arms are capable of…

A: The objective of the question is to find the maximum speed Tarzan can tolerate at the lowest point…

Q: Tarzan grabs a vine hanging vertically from a tall tree when he is running at 9.0 m/s. (a) How high…

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Q: A 445 N boy swings on a 3.0 m long swing. If his horizontal speed at the lowest point is 3.0 m/s,…

A: Given  Weight of boy W=445N length of rope l=3m Speed at lowest point v=3m/s

Q: A ball of mass 0.5kg is tied to a string of length 1.0 meters, and the other end of the string is…

A: The total mechanical energy of a system remains constant if the internal forces are conservative and…

Q: A ball of mass 0.5kg is tied to a string of length 1.0 meters, and the other end of the string is…

A: Given- Mass of ball (m) = 0.5 Kg Length of string (l) = 1 m

Q: You have a 120-g yo-yo that you are swinging at 0.9 m/s. How much energy does it have? How high can…

A: m = 0.12 kg  v =0.9 m/s

Q: Jane has a mass of 50 kg and starts from a high of 5 m above the ground. At the bottom of her swing,…

A: mass of jane (m) = 50 kg initial height of jane (h) = 5 m mass of tarzan (M) = 70 kg

Q: Tarzan swings on a 35.0-m-long vine initially inclined at an angle of 34.0° with the vertical. (a)…

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Q: "The girl has a mass of 55 kg and center of mass G. If she is swinging to a maximum height defined…

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Q: 0.25 kg mass is placed on a vertically oriented spring that is stretched 0.56 meters from its…

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Q: A 35-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the…

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Q: A 1.4 kg block is initially falling downward toward the top of a vertical spring. At the instant the…

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Q: After the power is turned off, an object on a nearly frictionless surface slows down such that it…

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Q: A 25 kg boy is swinging on a 2.5 m long chain. He swings up to a 50° angle. What is the final speed…

A: Using Energy conservation between Initial and final point of swing KEi + PEi = KEf + PEf KEi = 0,…

Q: A collision cart on a flat track is launched using a compressed internal spring. The cart has a mass…

A: Solution: Given: m = mass of cart = 0.5 kg k = spring constant of spring = 270 N/m s = compression…

Q: A gymnast is swinging on a high bar. The distance between his waist and the bar is 1.28 m, as the…

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Q: A 0.350 kg potato is tied to a string with length 2.80 m, and the other end of the string is tied to…

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Q: 5. Moumita is holding a mass m=0.50kg, which is connected to the bottom of a vertical spring with…

A: Write the given values with the suitable variables. m=0.50 kgk=10 N/mh=1.5 m Here, m, k, and h are…

Q: An object is attached to a light string and is forced to move in uniform circular motion on a…

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Q: A bowling ball is attached to a 3.56-meter long cable and hung from the ceiling. The cable is kept…

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Q: Jane, looking for Tarzan, is running at a speed (6.40 m/s) and grabs a ne hanging vertically from a…

A: initial speed = V0 = 6.4 m/sheight = h = ?