A bird sits on a telephone wire midway between two poles
A bird sits on a telephone wire midway between two poles 20m apart. The wire, assumed weightless, sags by 50cm. If the tension in the wire is 90N, what is the mass of the bird?
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a homemade electroscope has 2 pieces of straw hanging from 2strings dangling from a hook the length of the string
a rocket is used to place a synchronous satellite in orbit about the earth what is the orbital speed of the satellite
a car with a 149 m long radio antenna travels at 945 kmh in aplace where the earthrsquos magnetic field is 693
a 043 kg air cart is attached to aspring and allowed to oscillate the displacement of the air cartfrom equilibrium is x
a bird sits on a telephone wire midway between two poles 20m apartnbsp the wire assumed weightless sags by 50cmnbsp if
an advanced space probe in the twenty-first century travelsfrom the earth with a speed of 500 x 106 ms relativeto the
a diver 48 m deep in 18degc fresh water exhales a 06 cm diameter bubble what is the bubbles diameter just as it reaches
a hockey puck is sliding across the ice at 100 ms a playerrsquos stick momentarily comes in contact with the puck and
questionessay on one of the topics 1 how did the pigs use fear to manipulate the other animals discuss atleast three
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