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The energy in a lightning bolt is enormous. Consider, forexample a lightning bolt in which 29C of charge moves through apotential difference of 1.4*108 V. With the amountof energy in this bolt, how many kilograms of water at100o C could be boiled into steam at 100oC?
Suppose 7.31 mol of an ideal diatomic gas, with molecular rotation but not oscillation, compute the energy transferred as heat Q
An external force F, with a magnitude of 16.49 N, acts on a block of mass 1.40 kg parallel to a plane, Calculate the magnitude of the frictional force acting on the body
a boy hears an eco of his own voice from a distant hill after 1s. The speed of the sound is 340m/s. What is the distance of the hill from the boy
a bullet weighing 50 grams and traveling at 200 ms is shot into a stationary block of wood weighing 4 kg where it
your ears are sensitive to differences in pitch but they are not very sensitive to differences in intensity. you are
Two snowballs are moving directly toward each other along a vertical axis. Just before the snowballs collide, Draw a before and after picture of the collision
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. Under the same assumption, what would be her recoil velocity if, instead, she shoots a blank cartridge that ejects a mass of 5.0 10-4 kg at ..
In exercising, a weight lifter loses 0.123 kg of water through evaporation, find the change in the internal energy of the weight lifter
An object of mass M = 15.0 kg is attached to a cord that is wrapped around a wheel of radius r = 12.0 cm and mass m = 50.0 kg. The object slides down a frictionless incline which makes an angle ? = 40.0° with the horizontal. Assume the axle of the..
A 10 kg picture is held in place by two wires, the first hanging at 35 degrees to left of vertical and second at 45 degrees to right of vertical
a young man owns a canister vacuum cleaner marked 535w at 120v and a volkswagen beetle which he wishes to clean. he
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