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A simple pendulum of length 2.00 m is made with a mass of 2.00 kg. The mass has a speed of 3.00 m/s when the pendulum is 30.0°above its lowest position.
(a) What is the maximum angle away from the lowest position the pendulum will reach?
(b) What is the speed of the mass when the pendulum is 45° above its lowest position?
A 190g ball is dropped from a height of 1.9m , bounces on a hard floor, and rebounds to a height of 1.4m. What maximum force does the floor exert on the ball
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Using Einsteins formula
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The cubit is an ancient unit. Its length equals six palms. (A palm varies from 2.50 to 3.50 inches depending on the individual.) We are told Noah's ark was 300 cubits long, 50 cubits wide and 30 cubits high.
an airplane travels 85 km,62degrees north of east. Its displacement is represented by the vector A in the drawing
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