1. A 60-N load is suspended in the ceiling through a spring. It stretches a spring 7.0 cm beyond its equilibrium length. If the spring is now placed horizontally, what force is required to stretch it by 12 cm? How much elastic potential energy is stored in the spring?

Q: A mass m = 2kg is placed at the end of a horizontal spring that has a spring constant k = 500N/m and…

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Q: In the figure provided, a 63.6 kg woman is running at a 16.0 kg sled at a speed of 12.1 m/s. After…

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Q: 6. A 5 kg block is accelerated from rest by a compressed spring of spring constant 600 N/m. The…

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Q: A 7.80 g bullet is initially moving at 530 m/s just before it penetrates a block of solid rubber to…

A: Given data:Mass of the bullet (m) = 7.8 gInitially moving (v) = 530 m/sDepth of penetration (d) =…

Q: Spring Rebound. A 1.00 kg object slides across a rough horizontal surface. The coefficient of…

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Q: A 2kg block compressed a spring of constant 7000N/m at the bottom of a 37 degree incline with the…

A: Consider the following diagram to understand the problem:     Here, the spring’s Mean position is…

Q: A 3.70 kgkg block of ice is placed against one end of a horizontal spring that is fixed on the other…

A: Given:-  The mass of the block is m = 3.70 kg  The spring constant of the spring is k = 190 N/m  The…

Q: Figure (a) applies to the spring in a cork gun (Figure b); it shows the spring force as a function…

A: Given data: Mass of the cork, m=3.8 g = 0.0038 kg Compression in the spring, x=7.5 cm = 0.075 m From…

Q: A 6.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.700 m by a large…

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Q: The block remains on the track at all times. (b) Calculate d. _____

A: We can use the relation Work done by non conservative force = change in total energy. m = 0.70 kg k…

Q: A system contains an ideal horizontal spring, with an un-stretched length of 8 N/cm. Calculate the…

A: Write the given values with the suitable variables. x1=29 cm=0.29 mx2=32 cm=0.32 mk=8 N/cm=800 N/m…

Q: If a skater with a mass of 50 kg is at rest at the top of a ramp and has 4000 J of GPE, how high up…

A: Given The mass of the skater is m = 50 kg. The gravitational potential energy is GPE=4000 J. The…

Q: The 2kg collar is released from rest at A and slides down the inclined fixed rod in the vertical…

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Q: You and your friends push a 400 kg piano across a hardwood floor at a constant speed. You all push…

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Q: When a 4.00 Kg mass hangs on a spring, it stretches by 2.5 cm. a) If we hang a 1.5 Kg mass instead,…

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Q: A 1500 kg car traveling at 12 m/s suddenly runs out of gas while approaching the valley shown in the…

A: Here, h=10 m, H=15 m

Q: 33. A 100-g block is pushed down a rough inclined plane with an initial velocity of 1.50 m/s. The…

A: a) The total energy at the top = Kinetic Energy + Potential Energy…

Q: Ex77 : When the load applied to a suspended wire is increased from 3 kg. wt. to 5 kg wt. the…

A: T find-Work doneduring extensionGiven-The load increased from 3 kg-wt to 5 kg-wtThe elongation…

Q: A 4 kg block is initially at rest on a frictionless ramp. The block starts 2 meters above the…

A: Given : mass, m = 4 Kg ; Height, h = 2 m  Spring constant , K = 20 N/m  Find : (a) Maximum distance…

Q: 4. A 490 g dynamics cart is held at rest next to a Hooke's Law spring that is compressed by 44.0 cm.…

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Q: You have a simple pendulum consisting of a small 450 g mass attached to a 1.20 m long string.…

A: GIVEN: Mass  m= 450g = 450 x 10-3 kg ; Length of the string L = 1.2 m θ = 35o

Q: A 6.00 ✕ 105 kg subway train is brought to a stop from a speed of 0.500 m/s in 0.700 m by a large…

A: Given:  mass, m = 6 x 105 kg  initial speed, u = 0.5 m/s  distance, s = 0.7 m  final speed, v = 0

Q: A 5kg box is placed horizontally compresses the spring distance of 6 meters and the spring constant…

A: mass = 5 kg d = 6 m k = 6 N/mK2 =2 N/m

Q: m. The car then ramp which is frictionless except for the 2.5 meter patch shown. Next the car goes…

A: Use law of conservation of energy  MEi=MEf  Initially the car has only spring potential energy= Us…

Q: You are tasked with inspecting the rigging to lift a 40,000 lb air conditioning unit. Assuming the…

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Q: 4. A 490 g dynamics cart is held at rest next to a Hooke's Law spring that is compressed by 44.0 cm.…

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Q: Material point P(m=1) moves on the Ox axis under the influence of a force which follows from a…

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Q: tendons obey Hooke's Law. In laboratory tests on a particular tendon, it was found that, when b)…

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Q: A spring is initially at equilibrium.  Now I stretch it so that it has a length greater than…

A: The spring force is given by  , F=-kx Here,  x is deformation in spring.

Q: You have been hired to design a spring-launched roller coaster that will carry two passengers per…

A: The height car can goes high (∆h)= 13 mThe descending height to the track's lowest point = 19…

Q: 9. A helium balloon is released from the floor in a room at rest, then slowly rises and comes to…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: When a falling object reaches terminal speed, its kinetic energy reaches a constant value. However,…

A: According to conservation of energy, energy can be converted from one form to another. it can not be…

Q: (c) What is the speed of the pendulum at the bottom of the swing (0 degrees)? (d) Does the force of…

A: Given are : The length of the pendulum (l) = 35 cm = 0.35 m. And the angle from the vertical (θ) =…

Q: A system contains an ideal horizontal spring, with an un-stretched length of 29 cm and a spring…

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Q: The elastic energy stored in your tendons can contribute up to 35% of your energy needs when…

A: Spring constant of tendon: k= 33 N/mm=  N/m= 33000 N/mDuring sprint: stretch in tenon: = 45 mm=…

Q: The coefficient of friction between an object and the ground is µ. The object has a weight mg. A…

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Q: You are working on a design for a runaway truck ramp as indicated in the figure below. The hill is…

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Q: 22. How much work is required to pump all the water from a right circular cylindrical tank, that is…

A: As per guidelines we are suppose to do only one question from multiple questions. Given, diameter of…

Q: 1) A box of mass m= 50kg which is sliding on a horizontal rough surface and momentarily comes to…

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Q: 4) A block of mass 6.0 kg is pushed a distance of 5.00 m along a 30.0° rough inclined plane with an…

A: a)  The energy principle for the system that contains only the block is the Work Energy theorem. Fp…

Q: A certain object starts with 90 J of potential energy. The object is then slightly tipped and has 93…

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