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Q1. A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to spring and allowed to come to rest. It is after that pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57.0 oscillations?
Q2. One mole of an ideal gas does 3 500 J of work on its surroundings as it expands isothermally to a final pressure of 1.00 atm and volume of 22.0 L.
(a) Determine an initial volume of the gas.
(b) Determine a temperature of the gas.
Two people with a combined mass of 123kg hop into an old car with worn-out shock absorbers. Find the total load supported by the springs
An athlete competing in long jump leaves the ground with a speed of 9.14 m/s at an angle of 35.0 ° above the horizontal
I have a problem in mechanical physics where I'm given the linear mass density of a rigid plastic material. Here's the problem for context: A 42 cm diameter wheel, What is linear mass density
To fill a child's inflatable wading pool, you use a garden hose with a diameter of 2.90 cm. Water flows from this hose with a speed of 1.50 m/s. How long will it take to fill the pool to a depth of 25.0 cm if the pool is circular and has the diame..
A hot iron horseshoe (mass = 0.470 kg), just forged, is dropped into 1.44 L of water in a 0.340 kg iron pot initially at 19.1°C. calculate the initial temperature of the hot horseshoe
A brick hangs from a string attached to the ceiling. When a horizontal force of 15 N is applied to the brick, What is the mass of the brick
Calculate the expectation value of the potential energy of the H atom with its electrons in the 1s orbital. Compare this with the total energy.
Skater A, mass 55.0 kg, moving at 14.0 m/s bumps into stationary Skater B, mass 65.0 kg. After the collision, Skater A moves at an angle of 53.1o from her original direction, What are the final speeds of the two skaters
A 4.4kg ball with a velocity of 5.0m/s in the+x-direction collides head-on elastically with a stationary 2.5kg ball. What is the speed of the second ball after the collision
A 50-kilogram woman balances on one heel of a pair of high heel shoes. If the heel is circular with radius of .5 cm, what pressure does she exert on the floor.
A man ties one end of a strong rope 7.64 m long to the bumper of his truck, 0.505 m from the ground, and the other end to a vertical tree trunk at a height of 3.90 m. Compute the magnitude of the torque on the tree
You make five measurements of a particular wavelength, and you find you have some random noise. Your measurements are 244, 251, 248, 248, 246 nm. What is the mean value for your five measurements
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