A chain hangs over a smooth peg, 8 meters being on one side and 12 meters on the er. Find the time required for it to slide off (a) neglecting friction and (b) if friction is al to the weight of 1 meter of chain.

Q: If the spring DB has an unstretched length of 2 m, detemine the stiffness of the spring to hold the…

A:

Q: A driver in a 1000 kg car traveling at 20 m/s slams on the breaks and skids to a stop. If the…

A: Given:Velocity of the car = 20 m/sCoefficient of friction = 0.8

Q: Show that when a body of mass m is dropped from a height h, the sum of its kinetic and…

A:

Q: If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

A: Data provided:  Mass of block (m) = 0.50 kg Initial velocity of block (Vi) = 0 m/s, rest Force upon…

Q: In a circus performance, a monkey is strapped to a sled andboth are given an initial speed of 4.0…

A: Using Work-Energy theorem,

Q: Ignoring air resistance, from how high above thr ground would a 0.3 kg ball need to be dropped to…

A:

Q: A driver in a car traveling at 23 m/s slams on the brakes and skids to a stop. If the coefficient of…

A: Please see the answer below.

Q: When you parachute, you hit the ground with the same speed as free falling from a height of 4.5m,…

A: From equation of motion we know that v2= u2+ 2as . During freefall condition using initial velocity…

Q: A speed boat requires 80kW to move at a constant speed of 15 m/s. What is the resistive force of the…

A:

Q: A 4.40 kg bucket of water is accelerated upward by a cord of negligible mass whose breaking strength…

A:

Q: A

A: Mass of the car is M = 1500 kg  Initial speed U = 25 m/s  Coefficient of kinetic friction is u =…

Q: In a ballistics test, a 52-g bullet hits a sand bag and stops after moving 1.34 m. If the initial…

A:

Q: You mistakenly drop the physics textbook (mass = 1.61 kg) on your toe from a height of 1.58 meters.…

A: To find the force on the toe, we need to find the deceleration of the book. To find the deceleration…

Q: A 10-kg mass is initially moving up a smooth 300-incline at 5 mps. What distance up the incline will…

A: KEinitial=PEtop12mv2=mghh=v22glsinθ=v22gl=v22gsinθ

Q: The Figure belm stows a box with sliding down an ndined plane which makes an angle of ° with the…

A:

Q: A force that acts on an object is said to be conservative if ...

A: The force required to move a particle from some initial position to the final position without…

Q: O 600 Kg car coast from rest down driveway that is inclined 250 to the horizontal and a 20 m long.…

A:

Q: A vertical spring has a force constant of 125N/m. By how much will the spring be compressed if a…

A: The spring force is the opposing force exerted by the spring when the spring is compressed a length…

Q: traveling at a speed of 50 m/s. But the driver noticed that the bridge 300-m ahead is missing. At…

A: Given data: The mass of the train is m=20×103 kgm=20×103 kg. The speed of the train is v=50 m/s =50…

Q: A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.9 m/s and coming…

A: Given data: Mass (m) = 907 kg Initial velocity (v0 ) = 14.9 m/s final velocity (v) = 0 m/s Time (t)…

Q: What is the acceleration for the system, if the co-efficient of kinetic friction is 0.20? Assume it…

A: Given Mass of the object, m1=3.0kg, m2=3.0kg Angle of inclination, θ=300 The coefficient of kinetic…

Q: A trampoline launches a 50.0 kg person 2.00 m into the air. If the springs push with 1960 N of…

A:

Q: A Body that weighs W newtons falls from a height of 600mm and strikes a spring whose scale is 7…

A: Given that:- Spring constant=7N/mm

Q: A skater of mass m = 50.0 kg is observed to have a velocity v = 4.0 m/s while she is at an elevation…

A: Given Data : The mass of the skater is given as m = 50 kg. The velocity of the skater at the…

Q: Suppose a box is pushed along an inclined plane of angle θ and then let go. If it has an initial…

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Q: As 30

A:

Q: A youngster with mass m falls from a height h into the trampoline's centre, plunging to a depth y…

A:

Q: A 0.005 kg coin is dropped off of a 10 m tall bridge.  Assuming there is no friction or air…

A: Given values -  Mass (m) = 0.005 kgDisplacement (s) = - 10 mAcceleration (a) = - 9.8 ms2 Note:…

Q: A car moving at 50km/h skid 15m with locked brakes. How far will the car skid with locked brakes at…

A: Given information:Given initial speed (u1) = 50 kmphFinal speed (v1) = 0 kmphDistance it slides (s1)…

Q: A man in a sled, with a total mass of 125 kg, slide down a grassy hill and reaches a speed of 8 m/s…

A: Given: Mass of man and sled , m = 125 kg Initial speed, vi = 8 m/s Final speed, vf = 0 Force exerted…

Q: ng initially at 2.95 m/s on rough horizontal ice comes to rest uniformly in 4.00 s

A: Ans is 47.2 N

Q: A car of mass 931 kg coasts on a level road, starting with an initial speed of 15.7 m/s and coming…

A: Given data: Mass (m) = 931 kg Initial velocity (V0) = 15.7 m/s Final Velocity (v) = 0 m/s, coming to…

Q: n is traveling at a speed of 50 m/s at an angle of 10o. But the driver noticed that the bridge 300-m…

A: Given:-  The mass of the train is m = 20 Mg  the train is traveling with the speed of v = 50 m/s…

Q: A boy takes 11.8 seconds to slide down a smooth inclined plane of angle such that tan(e) = 1.6,…

A: Given data: The initial time is taken by a boy to slide down is, t1 = 11.8 sec. The angle of…

Q: In a wind tunnel test, the lift force measured by the dynamometer is of 40kg at 10m/s. what will be…

A:

Q: Is friction a conservative or non-conservative force?

A: Forces that do not store energy are called nonconservative or dissipative forces. Friction is a…

Q: A person is pushing a wooden crate of mass m, = 20 kg at a constant speed vo = 1.2– for Ax = 3 m…

A: Given mass mo = 20 kg speed vo = 1.2 m/s distance travelled Δx = 3 m

Q: Typically, a bullet leaves a standard 45-caliber (5.0-in. barrrel) at a speed of 262 m/s. If it…

A: Intial speed of barrel u= 262 m/s Mass of bullet m = 16.2g= 0.0162 kg Final speed v= 0m/s Time t =…

Q: ANSWER THE FOUOWING: ) MASS X ACCELERATION pue TD CORAUITYX VERTICAU POSIT ON 2) COUSERUATION OF…

A: Answer for the following is given below:

Q: A 8.30-kg hanging object is connected by a light, inextensible cord over a light, frictionless…

A: Let m1 = 5.00 kg and m2 = 8.30 kg. Equations of motion for the masses using Newton’s second law are…

Q: A block with a mass m = 10kg is sitting on an inclined plane witn an angle of 30 degrees. The block…

A:

Q: A bicyclist and his bicycle have a mass of 105 kg. What forces is necessary to bring him to rest…

A: Data given:Mass of the bicyclist, m = 105 kgInitial velocity, u =  25 m/sec.Final velocity, v = 0…

Spring Potential Energy

The potential energy is the energy possessed by a body by virtue of its position or the energy held by the object due to its position relative to other objects, its force like stresses, charge, and other factors affecting the particles of the body. The potential energy is the measure of the net work done by or on the body. The spring potential energy is the potential energy stored due to the deformation of an elastic spring and this elasticity is due to the stretched spring. The elasticity is the ability of a solid-state matter to come back to its equilibrium position or original position after any kind of external force is acted on it. It is also known as Elastic potential energy. The potential energy here is caused due to the displacement of the spring from its equilibrium position to another position and this potential energy is equal to the net work done due to the stretching of the spring. It also resembles the same mechanics of the oscillation of a simple pendulum, where due to the external force, the object moves from its equilibrium position to its maximum ends and the periodic motion continues till it comes back to the equilibrium position to rest.