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A 15.0-kg block of ice at 0 °C melts to liquid water at 0 °C inside a large room that has a temperature of 20.0°C. Treat the ice and the room as an isolated system, and assume that the room is large enough for its temperature change to be ignored. Calculate the net entropy change of the system during this process.
A second baseman tosses the ball to first baseman, which catches it at the same level from which it was thrown. The throw is made with an initial speed of 15 m/s at an angle of 38.0^circ above the horizontal. What is the horizontal component of ba..
A certain mixing tank has a capacity of 20 gallons and it is full of water with a small amount of bleach, Find the amount of bleach inside the tank at time t
Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in Europe. What is the kinetic energy of the flywheel after charging
A 58 g tennis ball is served at 40 m/s. Find the de Broglie wavelength of the tennis ball
A car moving at 10.0 m/s encounters a bump that has a circular cross-section with a radius of 30.0 m. when the car is at the top of the bump
A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a light beam. What is the pulsar's angular acceleration
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How fast will the shell be traveling when it hits the ground
A transformer has a primary coil with 1200 turns and a secondary coil with 225.0 turns. what is the voltage output from the secondary coil
Find the energy released in the fusion reaction 2/1H+ 3/1H? 4/2He+n. The mass of 2/1H is 2.014102 u
A 60-N toolbox is dragged horizontally at constant speed by a rope making an angle of 35° with the floor. Determine the magnitude of the normal force
A clock has a second hand whose tip rubs against the inside of the glass cover. what is the minimum torque that must be applied to the second hand
A piece of Nichrome wire has a radius of 6.2 x 10-4 m. It is used in a laboratory to make a heater that dissipates 4.40×102 W of power when connected to a voltage source of 130 V. estimate the necessary length of wire
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