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Find what is the maximum speed with which a 1350 kilogram car can round a turn of radius 75 meter on a flat road if the coefficient of static friction between road and tires is 0.60? Is this result independent of the mass of the car?
A generator supplies 140 V to a transformer's primary coil, which has 70 turns. If the secondary coil has 610 turns, what is the secondary voltage
The two blocks (m = 30 kg and M = 100 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is µs = 0.49, but the surface beneath the larger block is frictionless.
A ball with a mass of 0.620kg is initially at rest. It is struck by a second ball having a mass of 0.405kg , What is the change in the total kinetic energy of the two balls
A circular coil of wire 8.40cm in diameter has 16.0 turns and carries a current of 2.60A . The coil is in a region where the magnetic field is 0.580 T, What is this maximum torque in part (A)
Interstellar reddening of a stars blackbody spectrum can complicate the estimation of a star's temperature by distorting the blue (short wavelength) end of a star's spectrum. Describe the cause and how this reddening occurs.
Bob throws a 500 g rock at 25 m/s, moving his hand through 1.0 m as he accelerates it from rest. Write Newton's 2nd Law for Bob and the rock
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. Calculate the net entropy change of the system
In an experiment performed at the bottom of a very deep vertical mine shaft, a ball is tossed vertically into the air with a known initial velocity of 10.0 m/s, calculate the depth of the shaft
A large mountain can slightly affect the direction of "down" as determined by a plumb line. How far would the lower end move toward the sphere
A 767 kg car moving at 21 m/s brakes to a stop. The brakes contain about 16 kg of iron that absorb the energy. What is increase in temperature of the brakes
A coil with an inductance of 16.8 H and a resistance of 5.5 ? is suddenly connected to a resistanceless battery with an ? = 194.0 V. What is the rate at which thermal energy is appearing
An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30° C. how many molecules are there in the gas
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