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The top of a swimming pool is at ground level. If the pool is2.20 m deep, how far below ground leveldoes the bottom of the pool appear to be located for the following conditions?
a) The pool is completely filled with water.b) The pool is filled halfway with water.
What is the acceleration of a 1.00 gram drop of blood in the finger tips at the bottom of the swing? Find out force that the blood vessel must exert on the drop of blood in part (a)
A chemist uses a mass spectrometer to determine the amounts of specific kinds of air pollution in an air sample. What is the diameter of the circular path of NO (nitrous oxide) molecules
an electron in an x-ray machine is accelerated through a potential difference of 1.00 X 10^4 V, What is the kinetic energy of the electron
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. find the buoyant force exerted by the water on the sphere
question in the 1950s an experimental train that had a mass of 2.00 104 kg was powered across a level track by a jet
a space vehicle is coasting at a constant velocity of 15.7 ms in the y direction relative to a space station. the pilot
the bridge is 3910m long and is constructed of steel. how much longer is the bridge on a warm summer day (30.0 C) than on a cold winter day (-5.0 c)
Converting sunlight to electricity with solar cells has an efficiency of 15%. What is the theoretical maximum efficiency
two circuits are constructed using identical ideal batteries emf e and identical lightbulbs resistance r. if each
A bowling ball weighs 70.8 N .The bowler applies a horizontal force of 169 N to the ball. find the magnitude of the horizontal acceleration of the ball?
a child sitting 9.3 m from a center of the merry-go-round moves with a speed of 1.30 ms.a calculate the centripetal
An electron is a subatomic particle (m = 9.11 x 10-31 kg) that is subject to electric forces. obtain the magnitudes of the net force acting on electron
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