A frictionless pendulum of length 3 m swings with an
a frictionless pendulum of length 3 m swings with an amplitude of10 degrees. At its max. displacement, the potential energy of thependulum is 10 J. What is the kinetic energy of the pendulum whenits potential energy is 5 J?
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a worker is to paint the walls of a square room 800 fthigh and 120 ft along each side what surface area in squaremeters
a small drop of water is suspended motionless in air by auniform electric field that is directed upward and has a
air is trapped above liquid ethyl alcohol in a rigid container if the air pressure above the liquid is 110 atm
water is pumped into a storage tank from a well delivering 250 gallons of water in 300 seconds through a pipe of 100
a frictionless pendulum of length 3 m swings with an amplitude of10 degrees at its max displacement the potential
a light beam strikes a piece of glass at a 60 degree incidentangle the beam contains 2 wavelengths 450 nm and 700 nm
a very light rod with a length of 195m extends straight out fromone end of a meter stick the other end of the rod
which one of the following statements concerning simple harmonicmotion is falsea the maximum speed occurs at the
a horizontal spring with spring constant k has a mass mattached to it and is vibrating horizontally on a friction less
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