A slingshot is made by attaching 2 identical 5cm springs to two posts separated by 20cm as shown. A 50g metal ball is placed between the two springs and stretched until each spring is 20cm long. If the ball is released from rest, estimate its maximum speed.

Q: OK, once again we have a pendulum, this time of length 1.14 m, which you release from rest at an…

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Q: Spiderman uses his spider webs to save a runaway train moving about 60 km/h. His web streches a few…

A: Write the given values with the suitable variables. u=60 km/h=60×10003600 m/sx=500 mm=104 kgv=0 m/s…

Q: A 2 kg watermelon is put into a giant sling shot and stretched 1 meter by a system of gears.  The…

A: In order to stretch the sling shot, force is applied on it. The work done (W) by this force is…

Q: The block of 4.5 kg is attached to a spring with spring constant k = -1.6 and extended to an initial…

A: The data given in the question is as follows: 1. Mass of the block, mb=4.5 kg 2. Spring constant,…

Q: 1.5 kg block is attached to a horizontal spring, with the other end attached to a wall, and the…

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Q: pendulum swings back and forth up to a maximum height of 1.52 m. Neglecting friction, what is the…

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Q: A spring with a force constant of 5000 N/m and a rest length of 3.0 m is used in a catapult. When…

A: The total force exerted on the rock can be obtained as F=12kx2=125000N/m3.0m-1.0m2=10000N

Q: A spring (k = 200 N/m) is suspended with its upper end supported from a ceiling. With the spring…

A: The energy is conserved. Thus, the total initial energy is equal to the total final energy. That is,

Q: A 3.49-kg box placed against a horizontal spring with a force constant ofk= 228.7 N/m compresses the…

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Q: A spring (constant k = 125 N/m) is stretched a distance 5 cm, and a mass 0.05 kg is hooked to its…

A: Spring constant, k = 125 N/m Maximum amplitude, A = 5 cm = 0.05 m Mass, m = 0.05 kg Speed, v = ?

Q: A 1000 kg safe is 2.0 m above a heavy-duty spring when the rope holding the safe breaks. The safe…

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Q: A simple pendulum, 2.0 m in length, is released with a push when the support string is at an angle…

A: Given: The length of the string is 2 m. The angle with the vertical is 25o. The initial speed of the…

Q: A 3.31-kg box placed against a horizontal spring with a force constant of k = 236 N/m compresses the…

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Q: There's have a pendulum with a length of 1.80 m. I released it from rest at an angle of 38.5 degrees…

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Q: A 100-g object is attached to one end of a massless 10-cm rod. The system is held vertical and is…

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Q: When an 8.00-kg stone is at rest on a spring, the spring is compressed by 10.0 cm. The stone is…

A: Given:Mass of the stone, m = 8.00 kgcompressed upto equilibrium by, x1 = 10.0 cm = 0.100 mcompressed…

Q: A 1000 kg safe is 2.0 m above a heavy-duty spring when the rope holding the safe breaks. The safe…

A: According to the conservation of energy, the loss of gravitational potential energy is equal to the…

Q: If a 4-kg block is placed against the spring and the spring is released, what will be the speed of…

A: GIVEN: Mass of block =4 kg For the spring  Work done =12kx2 where k is spring constant            x…

Q: A 1100 kg safe is 2.0 m above a heavy-duty spring when the rope holding the safe breaks. The safe…

A: The gravitational potential energy of the safe is transferred to the spring as elastic potential…

Q: A 14,000 N car starts from rest and rolls down a hill from a height of 10.0 m (see figure). It then…

A: weight = 14000 N H = 10 m initial potential energy = weight * H  = 14000 * 10 = 140000 Joules

Q: A 0.31-kg coffee cup is attached to a suspended spring and slowly lowered, stretching the spring by…

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Q: One end of a spring is attached to a fixed wall while a 0.43-kg block is attached to the other…

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Q: Suppose a block of mass 0.9kg is is held against a spring with spring constant 1.0 × 103N/m,…

A: The block of mass m = 0.9kg is held against a spring with spring constant k = 1.0 × 103N/m,…

Q: A 10 kg runaway grocery cart runs into a spring with spring constant 250 N/m and compresses it by 60…

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Q: A spring of spring constant k = 822 N/m is suspended vertically from a ceiling. You attach a 46.0 kg…

A: From conservation of energy, mgh=12kh2h=2mgk  =2469.8822   =1.097 m

Q: Spiderman uses his spider webs to save a runaway train moving about 60 km/h. His web streches a few…

A:

Q: When a 2kg block is suspended on a vertical spring, if causes it to stretch 3.2cm. If the block is…

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Q: A 0.1 kg disk is shot across a frictionless horizontal surface by compressing it against a spring…

A: We can apply the law of conservation of energy in this situation. Initially the disk has all of its…

Q: A 1200 kg safe is 1.9 m above a heavy-duty spring when the rope holding the safe breaks. The safe…

A: According to the conservation of energy, the loss of gravitational potential energy is equal to the…

Q: A 306 g mass slides down a curved incline then collides with a spring. The spring constant of the…

A: Mass (m) = 306 g   = 0.306 kg   Spring constant (k) = 156 N/m  Compression of spring (d) = 0.63 cm…

Q: A 0.10 kg block suspended from a spring is pulled to 8.0 cm below its equilibrium position and…

A: The velocity of the block, when it crosses from the equilibrium position is,The angular frequency of…

Q: A 13 kg runaway grocery cart runs into a spring with a spring constant of 260 N/mN/m and compresses…

A: Given that - Spring Constant Mass of the grocery cart Spring Compressed To Find - We have to…

Q: OK, once again we have a pendulum, this time of length 1.86 m, which you release from rest at an…

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Q: A 0.30-kg object is suspended from the ceiling at the end of a string of length 1.6 m. When pulled…

A: We know that, Total mechanical energy of pendulum is as follows; E=K+U…

Q: 900 kg safe is 1.5 m above a heavy-duty spring when the rope holding the safe breaks. The safe hits…

A: Given: The mass of the safe is 900 kg. The height of the safe from the spring is 1.5 m. The maximum…