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A 150 g copper bowl contains 220 g of water, both at 200 degrees Celsius. Avery hot 300 g of copper cylinder is dropped into the water, causing the water to boil, with 5.00 g being converted to steam the final temperature of the system is loo degrees Celsius. How much energy is transferred to the water as heat? How much energy is transferred to the bowl? What is the original temperature of the cylinder?
A rotating wheel requires 6.00 s to rotate 30.0 revolutions, What is the constant angular acceleration (in rad/s) of the wheel
A child applies a torque of 1200 N*M to a merry go round. The rotational interia of the merry go round is 900 kg*m 2. What is the net torque acting on the merry go round
A 5.0 kg mass experiences a force of 40 N when placed a height of 5 km. What is the value of acceleration due to gravity at this point
During a lightning flash, there exists a potential difference of V(Cloud)-V(Ground)=1.2 x10^9V between a cloud and the ground. As a result, a charge of -25 C is transferred from the ground to the cloud.
A bowling ball rolls from rest down a straight 20m steel ramp and reaches a velocity of 20 m/s at the end of the ramp in 8 seconds. What is the bowling ball's original velocity
A capacitor is connected across an ac generator whose frequency is751 Hz and whose peak output voltage is 140 V. The rms current in the circuit is 3.0 A. What is the capacitance of the capacitor?
What is the magnitude of the apparent weight of a 83 astronaut 4600 from the center of Earth's Moon in a space vehicle moving at constant velocity.
A student sits on a freely rotating stool holding two dumbels, each of mass of 3.00kg. find the kinetic energy rotating system before and after he pulls the dumbbells inward
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe's diameter is 56.1 cm and the flow speed of the petroleum is 13.1 m/s. what is the pipe's diameter at the refinery
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving
A 1.10 kg mass is at the center of a uniform spherical shell of mass 1.09 1020 kg and radius 1.05 106 m. Find the resultant gravitational force on the mass
a the star zog has a mass of 1.57 e30 kg. calculate the angle by which light from a distant star is deflected at a
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