What is the magnitude of displacement
You drive a car 680 ft to the east, then 340 ft to the north.
(a) what is the magnitude of your displacement? What is the direction?
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A pendulum is made by tying a 490 g ball to a 52.0 cm-long string. The pendulum is pulled 21.0^circ to one side, then released. What is the ball's speed at the lowest point of its trajectory?
You drive a car 680 ft to the east, then 340 ft to the north. (a) what is the magnitude of your displacement? What is the direction?
A cardinal (Richmondena cardinalis) of mass 3.90×10-2 and a baseball of mass 0.144 have the same kinetic energy. What is the ratio of the cardinal's magnitude of momentum to the magnitude of the baseball's momentum?
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