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A rigid tank is divided into two rooms by a membrane, both containing water. Room A is at 200 kPa, ??=0.5 m3/kg, VA=1 m3 and room B contains 3.5 kg at 0.5 MPa and 400oC. The membrane now ruptures and heat transfer takes place so the water comes to a uniform state at 100oC.
Find the heat transfer during the process.
Illustrate what should be the other mass so that the displacement of either mass during the first second following release is 0.34 m? Assume a massless, frictionless pulley and a massless string.
a 60 g tennis ball traveling at 30m/s strikes a wall, What is the magnitude of the impulse in the ball
A wedding ring (of diameter 1.99 cm) is tossed into the air and given a spin, resulting in an angular velocity of 23 rotations per second. what is the maximum induced potential difference in the ring
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (?196°C ) and in boiling pentane (36.1°C). The separate pressures are 0.349 atm and 1.442 atm. Hint: Use the linear relationship P = A + BT, where A and B ..
A tree falls on a bicycle path 40 m ahead of a cyclist traveling at 16 m/s, how far from the fallen tree will she be when she stops
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the sun. Assume that the earth is a uniform sphere and that its path around the sun is circular. For comparison, the total ene..
Calculate the ratio of the number of HBr molecules in state
An insulated Thermos contains 150cm3 of hot coffee at 83°C. You put a 12g ice cube at its melting point to cool the coffee. By how many degrees has your coffee cooled once the ice has melted and equilibrium is reached? Treat the coffee as although..
Two carts are involved in an inelastic collision. The dynamics cart A with mass 0.88 kg hits the collision cart B with mass 0.550 kg (initially at rest). What is the initial kinetic energy of the two carts
A winch capable of pulling 250 lb must pull a 2800 lb load up a ramp of height 5.5 ft. Find the length of the shortest ramp for this job
The equation for the displacement in meters of an object moving in SHM is x(t) = 1.50 cos (4.20t) where t is in seconds. At what time does it first reach the maximum speed
You are to determine the power rating of the motor in an elevator system. The elevator (with a full load) weights 2000 kg and is required to move upward 3 m/sec at constant speed.
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