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A 1540.0 g mass is ona horizontal surface with μk = 0.31, and isin contact with a massless spring with a force constant of 787.0N/m which is compressed. When the spring is released, it does 2.52J of work on the mass while returning to its equilibrium position.A.) Calculate the distance the spring was compressed.B.)What is the velocity of the mass as it loses contact with the spring?
Argon gas enters an adiabatic turbine steadily at 1600kPa and 450 degrees Celsius with a velocity of 55m/s and leaves at 150 kPa with a velocity of 150m/s. determine the exit temperature of the argon
An ideal gas has a temperature of 850 K. calculate the total kinetic energy of 1 mol of this gas
a 12.0 g plastic ball is dropped from a height of 2.50 m, How much mechanical energy was lost during the balls fall
The displacement vectors 38.5 cm at 15.0° and 23.0 cm at 62.0° both start from the origin and form two sides of a parallelogram. Find the area of the parallelogram
A 12.7-kg block initially slides at 13.1 m/s on a flat rough surface and eventually stops. what is the entropy change of the system
Tetchnetium is a radioactive isotope that emits a gamma ray with a half life of 6 hours. what fraction of the original dose remains in the body 24 hours after preparation
The total mass of the astronaut with her space suit and all her gear is 125 kg. A small leak develops in her propulsion system and 5.99 g of gas are ejected each second into space with a speed of 781 m/s.
A tube is sealed at both ends and contains a 0.0100-m longportion of liquid. The length of the tube is larger compared to0.0100-m. Find the angular speed (in rad/s) of the tube
The output voltage of an AC source is given by ?v = 120 sin 26.0pt, where ?v is in volts and t is in seconds. Find the frequency of the source
a metal hump is placed on the surface of the infinitely large conducting plate as shown on the picture. the hump has a
question a 6 microc charge is found to move against a 9 kv potential difference. if the charge moves along an electric
a lamp is designed to operate at a temperature of 3100k. if the lamp is operated at a higher voltage that raises its
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