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Compute the specific gravity of a liquid given the following information: m = 53.00 ± 0.05 grams, mA = 33.50 ± 0.05 grams, mL = 42.50 ± 0.05 grams.
A resistor is made of a material that has a resistivity that is proportional to the current going through it. If ithe voltage across the resistor is doubled, what happens to the power dissipatted by it?
If a heat engine is operating at a coefficient of performance of 2.50 and 3.00 J of heat is absorbed from the surroundings, determine the magnitude of heat expelled.
A proton at speed v=3.20*105 m/s orbits at a radius of 2.4 cm outside a uniformly charged sphere. Determine the total charge on the sphere
Three point charges have equal magnitudes, two being positive and one negative. Calculate the magnitude of the net force
Two masses connected by a rope are being pulled along a frictionless floor by a Force of 10 N. obtain the tension in the rope connecting the two masses
The desired overall magnification of a compound microscope is 150X. The objective alone produces a lateral magnification of 10.0X. Decide the required focal length of the eyepiece.
a body of 2kg is suspended from the ceiling of an elecator moving up with an accelration g. find the apparant weight of
A space shuttle, in a 300km high orbit, releases a 100 kg payload attached by a 10 km long massless rope. Assuming initial motions of lowering payload have damped out and the shuttle and payload are flying in steady state conditions.
A cheetah standing by a tree accelerated directly east at a constant rate for one-half minute. He then continued directly east at a constant speed for two minutes. During the next threefourths minute he slowed at a constant rate and came to a stop..
A juvenile elephant has a mass of 300kg. He wishes to fly using his very large ears. find the total surface area of his two ears
The wavelength of visible light ranges from 400 to 700. Find the ranges of this light's angular frequency and Find the ranges of this light's wave number
You support one end of a stick of mass M and length L with the tip of your finger. what angle does the force points horizontally
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