A 4.00-kg mass is connected to a cable attached to a spring with a spring constant of 75.0 N/m. when the spring is at equlibrium, the mass has a speed of 2.00 m/s. what is the speed of the mass when it has fallen 1.25 m?

Q: A 20 kg mass is fastened to a spring of force constant k= 250 N/m by a string passing over a light…

A: Given: The mass of object is m=20 kg. The spring constant is k=250 N/m. The amplitude is A=0.4 m.…

Q: 12. A vertically mounted spring (k = 750 N/m) is compressed by 30.0 cm relative to its unstrained…

A: Spring constant = 750N/m Initially compression in spring =30cm Given mass =0.24kg Height =10.76m

Q: A 2.0-kg mass is attached to a vertical spring. The mass is held in place with the spring relaxed,…

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Q: How far must the spring be compressed for 1.50 J of potential energy to be stored in it? You place…

A: Given: The spring constant is 850 N/m. The potential energy of the spring is 1.5 J. The mass of the…

Q: A vertically mounted spring (k = 850 N/m) is compressed by 24.0 cm relative to its unstrained…

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Q: A spring having force constant 99 N/m hangs vertically. A block of mass 1 kg is attached to the…

A: Given data:  Force constant (k) = 99 N/m Mass (m) = 1 kg Required: The stretch in the spring (x)

Q: cargo of 2 Kg on a frictionless ramp is connected (by a cord that runs over a pulley) to a spring of…

A: Given:-  The mass of the cargo is m = 2 kg  The angle of the inclined plane is θ= 40° The spring…

Q: A spring gun with a constant 4 N/m is compressed 2 meters from its natural length and then shoots a…

A:

Q: A mass of 0.83 kg is initially traveling at 6.1 m/s across a horizontal, frictionless surface. It…

A: Since the mass comes to rest, the final kinetic energy of the mass is zero. Apply conservation of…

Q: A particular spring has a rest length of 5.0 cm when it is not compressed, and a length of 4.5 cm…

A: Given data: The free length of spring is l=5 cm. Length with m=10 kg l'=4.5 cm. Acceleration of…

Q: A block on a frictionless horizontal surface is attached to a cable and a spring that is stretched…

A: Given data, Stretched in the spring = 0.17 m Tension in the cable = 48 N Normal force on the block =…

Q: 19. An 8.81 kg object is thrown straight up from the top of a 42.6 m building at a velocity of 11.3…

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Q: Kevin is performing an experiment, he places a 1.20 kg apple on a vertical spring and the spring is…

A: Given :  m = 1.20 kg x = 15 cm = 0.15 m k = 1800 N/m

Q: A 85-g toy car is propelled by a compressed spring that starts it moving. The car follows a curved…

A: To solve the question we can use a different approach. However, we are going to solve it using the…

Q: A spring-mass system has a spring with spring constant k=65.0 N/m and a 800.0 gram mass on the end…

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Q: Starting from rest, a 73-kg person drops a distance of 0.5 m onto an ideal stiff spring of…

A: Given data as per question mass  =  73kg h  =  0.5m x   =  0.08m

Q: object of mass 357 g is suspended from a spring with a spring constant of 200 N/m, the extension of…

A: F= kx

Q: The left end of a spring is attached to a wall. The right end of the spring is attached to a block.…

A: The spring constant, k=26.2 N/m Displacement of the spring in the x-direction, x=11.3 cm

Q: A constant net force of 60.0 N acts on an object initially at rest and acts through a parallel…

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Q: A mass of 2.5 kg hung from the end of a spring extends the spring by 0.3 m. Another  0.0065kg is…

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Q: A pendulum consists of a 382.3 gram mass on the end of a 3.9 meter long string that swings back and…

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Q: A 20 kg mass is fastened to a spring of force constant k- 350 N/m by a string passing over a light…

A: The conservation of energy is, mgh=12mv2+12kx22mgh=mv2+kx22mgh-kx2=mv2v=2gh-kx2m

Q: A spring hangs down from a ceiling a distance of 7 cm. When a mass of 171 grams is attached, the…

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Q: A mass on a spring rests on a horizontal frictionless surface. You displace it 8.00 cm 2) from…

A:

Q: A mass of 7.0 kg hangs from a spring attached to the ceiling. The spring has a spring constant of…

A: Spring force is given asF=k∆xK=spring constant∆x = stretches in spring

Q: Ignoring the mass of the spring, what is the mass m of the fish?

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Q: A force F= (-2Nm)xi+(4Nm2)x2j-8Nk and a second force F=(-4Nm2)x2j-8Nk are applied to a 4 kg object…

A: A force F= (-2Nm)xi+(4Nm2)x2j-8Nk and a second force F=(-4Nm2)x2j-8Nk are applied to a 4 kg object…

Q: A 26100 kg train is reaching the end of the line. In order to slow down, the front of the train…

A: Given Information:Mass of train m = 26100 kgVelocity of the train v = 62.5 m/sStiffness of the…

Q: A 3 kg block hangs from a spring with a spring constant of 2  N/m. At t=0s the block is 13  m below…

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Q: An elevator car of mass 815 kg falls from rest 2.70 m, hits a buffer spring, and then travels an…

A:

Q: held stretched 1.8 meters beyond its natural length by a force of 90 newtons. If the spring begins…

A: Force F=90 NMass m=10 kgLength stretched x=1.8 m Initial velocity=2 m/s

Q: truck has a mass of 10,000 kg. It is backing into a loading dock at a speed of 0.5 m/s when it hits…

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Q: A frictionless spring with a 8-kg mass can be held stretched 1 meters beyond its natural length by a…

A: Force (F) = 70 NMass (m) = 8 kgLength stretched (x) = 1.0 m Initial velocity = 2 m/s

Q: A person pushes on a spring with a force of 900 N. If the spring compresses 3.6 m, what is the…

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Q: A 3.00 kgkg mass is pushed against a horizontal spring of force constant 28.0 N/cmN/cm on a…

A: Given, Mass of block ( m)= 3kg  Spring constant (k)= 28 N/cm = 2800 N/m Mass is released from rest…

Q: A particular spring has a rest length of 10.0 cm when it is not compressed, and a length of 9.cm…

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Q: Spring scales are often used in markets for weighing produce and simply consist of a spring…

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Q: What is the change in kinetic energy of the mass in moving from x = 0 to 10.0 m? If the mass begins…

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Q: A 0.25-kg apple is gently hung from a spring that stretches 4.6 cm. The force constant of the spring…

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Q: An elevator car of mass 815 kg falls from rest 2.80 m, hits a buffer spring, and then travels an…

A: