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A right triangle has a hypotenuse of length 2.90 m, and one of its angles is 38.0°. What are the lengths of the following sides. a: the side opposite the 38.0° angle b: the side adjacent to the 38.0° angle
In an amusement park water slide, people slide down an essentially frictionless tube. Does the mass of the person make any difference
A cannon located 42 m from the base of a vertical 30 m high cliff has its muzzle pointing towards the cliff at an angle 48° above the horizontal. determine how far the shell lands past the edge of the cliff
A 1500-kW heat engine operates at 25 percent efficiency. The heat energy expelled at the low temperature is absorbed by a stream of water that enters the cooling coils at 20 degrees C. If 60 L flows across the coils per second, determine the incre..
A 28 mH inductor in series with a resistance of 35 omegacap.gif is connected to a source whose voltage is script E = 340 V cos 150?t, Determine the average power dissipation
A catapult on a cliff launches a large round rock towards a ship on the ocean below. The rock leaves the catapult from a height H of 33.0 m above sea level, To what height above sea level does the rock rise
A simple pendulum consists of a ball connected to one end of a thin brass wire. Determine the change in the period of the heated pendulum
Certain sharks can detect an electric field as weak as 1.1 mu V/m . To grasp how weak this field is, how far apart would the plates have to be
A copper sphere has a radius of 2.50 m under normal room pressure of 1.0 X 10^5 N/m^2. what is the change in its volume
A block rides on a piston that is moving vertically with simple harmonic motion. If the SHM has period 4.7 s, at what amplitude of motion will the block and piston separate
Neil A. Armstrong was the first person to walk on the moon. The distance between the earth and the moon is 3.85 ? 108 m. Find the time it took for his voice to reach earth via radio waves
A standing observer perceives a train whistle to have a frequency of 300 Hz. what is the frequency of the sound waves emitted from the train
a 1.00 x 10^4 kg railroad car is rolling at 6 meters per sec. What is the cars speed just after gravel is loaded
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