Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from it. The extension produced in the spring (take g=9.8m/s2) is? a) 4.9cm b) 0.49cm c) 9.4cm d) 0.94cm

Q: 3) A toy spring gun is used to shoot a 30 g marble vertically upward. The uncompressed length of the…

A:

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

A: The free body diagram is shown as,

Q: 1. A spring is compressed 0.48m and exerts a force of 32N, what is the spring constant?

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Q: A child's toy consists of a piece of plastic attached to a spring in the figure below. The spring is…

A: The potential energy of the spring at maximum height is equal to the stored energy in the spring…

Q: A block of mass m = 4.30 kg is dropped from height h = 45.0 cm onto a spring of spring constant k =…

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Q: A child's toy consists of a piece of plastic attached to a spring in the figure below. The spring is…

A: According to the conservation of energy, 12kx2=mghkx2=2mghk=2mghx2

Q: shown below, a vertically oriented spring is 0.41m in length nen placed on a table. If when you…

A: Given  Initial length = 0.41 m  Final length = 0.16 m

Q: AD.317-kg mass is attached to a spring with a force constant of 10.1 N/m If the mass is displaced…

A: Given  mass(m)=0.317 kg force constant (k)=10.1 N/m displacement(A)=0.246 m Required speed of mass…

Q: A) Calculate the work done by a nonlinear spring with force constant k(x) = 100(x+ 0.3x) [N/m] as…

A: Solution: A). The force constant is given by the following,  kx=100x+0.3x2 N/m and the spring is…

Q: 2. A toy cork gun contains a spring whose spring constant is 10.0 N/m. The spring is compressed 5 cm…

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Q: 14) A block of mass 0.20 kg is against a spring compressed 0.20 m with spring constant 70 N/m. When…

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Q: A 15-lb block B is at rest and a spring of constant k= 72 lb/in. is held compressed 3 in. by a cord.…

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Q: A 5.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.300 m by a large…

A: Mass of train is m=5×105 kg Initial speed is u=0.500 m/s Compression in spring is x=0.300 m Note: 1…

Q: When a 343.73-kg refrigerator is loaded onto a 1200-kg car, the springs of the car compress by 1.9…

A: Let spring constant after spring be K So, when 343.73 kg refrigerator is loaded, Fdownward = Fupward…