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1. Determine the horsepower corresponding to 1.00 MJ/h. If, in an average 24.0 h day, your energy output is 8.40 MJ, determine your average daily horsepower output.
2. In 6.00 h, the heat from a guinea pig melts 0.200 kg of ice in an adiabatic calorimeter. Assuming that the heat of fusion of ice is 335 kJ/kg, determine the average metabolic heat production rate of the animal while it is in the calorimeter.
In a new (inelastic) collision, the same two bumper cars with the same initial velocities now latch together as they collide. What is the final speed of the two bumper cars after the collision
A chimney sweep is climbing a ladder that leans against the side of a house. find the displacement of her feet from base when she has climbed twice as far
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
A 10g lead bullet at 23 degrees celsius slams into a stone wall. Assuming no loss of energy to the environment, how fast must the bullet be traveling
A Ge semiconductor has a gap of 0.7 eV between the valence and conduction band. What fraction of the electrons are in the conduction band
the flywheel of an old steam engine is a solid homogeneous metal disk of mass m 117 kgand radius r 80 cm.the engine
A coil consists of 212 turns of wire. Each turn is a square of side d = 18 cm, compute the magnitude of the induced emf in the coil
during the first stage of its launch a space shuttle goes from rest to 4973kmh while rising a vertical distance of
Determine the phase and group velocities for a monatomic lattice. Plot the velocities versus the wave vector k and give a brief discussion of their significance.
A 9.00 kg point mass and a 15.0 kg point mass are held in place 50.0 cm apart. A particle of mass m is released from a point between the two masses 19.0 cm from the 9.00 kg mass along the line connecting the two fixed masses.
an archer puts a 0.30-kg arrow to the bowstring. an average force of 201 n is exerted to draw the string back 1.3 m.
1. a capacitor consists of two closely spaced metal conductors of large area separated by a thin insulating foil. it
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