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(a) How much heat flows from 1.00 kg of water at 42.0°C when it is placed in contact with 1.00 kg of 16°C water in reaching equilibrium?
J
(b) What is the change in entropy due to this heat transfer?
J/K
(c) How much work is made unavailable, taking the lowest temperature to be 16°C?
As a baseball is being caught, its speed goes from 36 to 0 m/s in about 0.009 s. Its mass is 0.145 kg. What is the size of the force acting on it
When rebuilding her car's engine, a physics major must exert 250 N of force to insert a dry steel piston into a steel cylinder at a constant velocity. What is the normal force between the piston and cylinder
A 0.144 kg baseball is moving towards home plate with a speed of 43.0 m/s when it is bunted. The bat exerts an average force of 6.50 Ã? 103 N on the ball for 1.30 ms, What is the final speed of the ball
Three moles of an ideal monatomic gas are at a temperature of 340 K. Then 2701 J of heat is added to the gas, What is the final temperature of the gas
At t=0 a grinding wheel has an angular velocity of 25 rad/s. It has a constant angular acceleration of 35.0 rad/s^2 until a circuit breaker trips at time t = 2.10 s. From then on, it turns by an angle 431 rad as it coasts to a stop at constant ang..
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time". If the ball is kicked with an initial velocity of 25.0 m/s at an angle of 60.0 degrees above the ground, illustrate what is the "hang time"?
As a function of time t, force component Fx that acts on a 3.00 kg ice block that can move only along the x axis. At t=0, the block is moving in positive direction of the axis, with a speed of 3.0 m/s. what are its (a) speed and (b) direction of trav..
A gas containing 9 moles is compressed adiabatically from an initial temperature of 288 K to a final temperature of 463 K, what is the work done by the piston
The impact of the head of a golf club on a golf ball can be approximately regarded as an elastic collison. what must the speed of the club be before impact
explain the electric flux through the surface of the cube. Calculate the volume charge density of the atmosphere, assuming it to be uniform between 270 and 420 m.
If one resistor of a particular size is connected to a battery, 2.5A flow from the battery, How much current flows through one of the 10 resistors
An automobile has mass 990 kg (including passengers). It is pushed down by 1.9 cm for every additional 100 kg of passengers. Find the amplitude of oscillation of the automobile
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