A bead slides without friction around a loop to loop as shown in the figure. If the bead is released from height h = 3.5R, what is its velocity at point A for R = 0.2 m? (g=9.8m/s2)

Q: You are traveling at 8.0m/s at the bottom of the swing as you swing down from an elevated height.…

A: This problem is based on conservation of energy. Kinetic energy at bottom is equal to gravitational…

Q: 1- A hijacker drops an 80 kg chest of gold from an airplane. Neglecting air resistance, how far does…

A: (1) Assume a mass(m) chest of gold in a kilogram is dropped by a hijacker from an airplane.…

Q: A 6 kg blocks starts from rest at pt. A and slides a plane that is inclined 35 degrees to the…

A: Given data: Mass of block, m=6 kg Angle of inclination, θ=350 Distance, s=3.2 m Speed of the block,…

Q: A catapult fires a stone with a speed of u = 7.0 m s¹ from a vertical height of 1.0 m above level…

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Q: 1. A chain of length 0.7 m is at rest over two slopes, as shown in figure. First, assume there is no…

A: Given:- The length of the chain is L = 0.7 m   if there is no friction between the plane and the…

Q: Top secret crates used for shipping blankets are released down an incline at point A with a speed of…

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Q: 6. The maximum speed of a child on a swing is 4.9 m/s. The child is 0.70 m above the ground at the…

A: The Potential energy at The lowest point  A Vlowest =VA= -mgx    [ where x= distance from the earth…

Q: 55. •A washing machine drum 80.0 cm in diameter starts from rest and achieves 1200 rev/min in 22 s.…

A: SOlution: Given that d = 80 cm w = 1200 rev/min t = 22 s

Q: The diagram below shows a portion of an amusement park ride. The 100 kg car starts from rest at the…

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Q: a) 64 m/s b) 44 m/s c) 24 m/s d) 51 m/s e) 58 m/s

A: According to work energy theorem Work done = change in kinetic energy Work done by conservative…

Q: A student releases a 3.1kg cart from the top of ramp and starts a stopwatch. The length from the…

A: Given Data : The mass of the cart is given as m = 3.1Kg. The acceleration of the cart on the ramp is…

Q: You build a simple pendulum from a ball attached to the end of a very light string. You 3) pull the…

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Q: Q2- If k=2 kN/m, find the initial length of the spring CD.

A: The free body diagram is shown as,

Q: A simple pendulumb is lifted to 1.0 m high and given a push forward to an initial velocity of 1.6m/s…

A: Consider the diagram for the position and velocity of the bob of the pendulum for the cases given.

Q: The following lab set-up consists of two carts on a frictionless surface. Each end of the spring is…

A: Given:-  The mass of cart A is m and the other mass of cart B is 3m and both the cart are connected…

Q: 5. Find the net potential energy produced by Q1, Q2, Q3 and possessed by Q4.

A: The configuration of the charges is given below.

Q: 1. Which answer choice below includes only scalar quantities? Distance, speed, time…

A: the scalar quantities are those physical quantites posses only magnitude and not direction. these…

Q: 16- A ball is thrown upwards with an initial velocity of 10 m/s. If the ball decelerates with…

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Q: A ball is placed at the top of a 1.75 m tall ramp    a) How fast will the ball be moving when it…

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Q: A cat drops a 0.25 kg fish from the top of a sheer cliff into the water below. The height of the…

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Q: As a 1.6x104 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down.…

A: To solve the given problem, we will use the conservation of energy.

Q: 15. Object falls from height 1500 m. Find the velocity by time reach ground. Ans. 170 m/s 31. Spring…

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Q: 5.) A block slides along a path that B/ is without friction until the block reaches the section L =…

A: Given data: -  The length L is L = 0.80 m. The height h is h = 2.5 m. The angle of the ramp is θ =…

Q: 16. Anna whose mass is 45.0 kg was placed in a swing and started to enjoy while the swing moves to…

A: Given Mass (m)                 = 45.0 kg Highest point h1  = 2.5 m Lowest point  h2  = 1.2 meter

Q: 46. Josh, Richard, Tionna, Emily, Ty, Dean, Dylan, Luke, and Leah perform a lab in which they have a…

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Q: In the figure, a 3.5 kg block slides along a track from one level to a higher level after passing…

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Q: The 71kg runner is jogging at 1.42m/s and accelerates to reach her top speed in 2.65s. If the runner…

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Q: One stone is falling from rest from the top of a hill. After 1s, a second stone is thrown downward…

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Q: Solve using conservation of E. A 30.0 kg block slides 8.00 m down a ramp with a height of 4.50 m.…

A: Please see the attached images for the solution. If there are queries or if the images are not…

Q: A 2 kg mass is attached to a spring with k = 44 N/m. To what distance must the spring be stretched…

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Q: A skier starts to slide from the 20 m high ramp for the first time without speed and without…

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Q: If an object weighing 12 N is released from rest at a height of 3 m above the ground.  a. How much…

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Q: Current Attempt in Progress In the figure, a 4.0 kg block slides along a track from one level to a…

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Q: 2. The small cart has a speed V, = 4 m/s at point A. Neglecting friction, determine its speed va as…

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Q: 9. A mother is pushing her little san, Mark, on a swing: The highest point reached by the swing is…

A: Maximum height,  Minimum height,  Acceleration due to gravity,

Q: 4) A small box of mass 0.021 kg compresses a spring (k = 420 N/m) a distance of 0.070 m and is…

A: Given: The mass of the object is 0.021 kg. The spring constant is 420 N/m. The maximum compression…

Q: m = 1 kg m=1kg m 3m PE- KE- Total E- PE- KE- Total E- PE- KE- Total E- PE- KE- Total E- v-6m's 0 4-7

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Q: Pendulum: The_200 gʻbob" of a _1.2 m long pendulum is pulled back so that the string makes an angle…

A: The mass of the bob is m = 200 g. The length of the pendulum is l = 1.2 m. The angle made by the…

Q: 15.The object's potential energy at point C is less than its potential energy at point. A only B…

A: Answer :- (a) A only    The objects potential energy at point C is less than its potential energy at…

Q: A block with a mass of 4 kg hits a horizontal spring with a spring constant of 400 N / m on a…

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

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Q: 8. The object with a mass M starts the motion in one dimension from the origin with speed V,…

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Q: The ABC part of the road in the figure is frictionless, beyond C the friction coefficient is u =…

A: The mass of the ball, m = 2 kg. The velocity of the ball at point A, vA is 3 m/s. The coefficient of…

Q: A 534 N boy drops from a diving platform 12 m above the water. Find the boy's speed 4m above the…

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Q: distance will he have to compress the spring so that the car successfully loops the loop?

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Q: The figure depicts the notion of the car from point A to C. If the velocity (Vc) of the car is 16.40…

A: Let w denotes the work done by the friction force, Fk denotes the friction force, and X denotes the…

Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.