Determine the distance between polaris and earth
Determine the distance between Polaris and Earth in Meters. Polaris is 431 ly from Earth. The speed of light is 3.0 x 10^8 m/s.
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A truck travels beneath an airplane that is moving 120 km/h at an angle of 49 degrees to the ground. how fast must the truck travel to stay beneath the airplane?
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Find the bullet's kinetic energy, Find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 50.0 cm barrel.
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