What is the freezing point of the substance in the test tube?
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Physics, 22.06.2019 22:20
One hazard of space travel is debris left by previous missions. there are several thousand masses large enough to detect by radar orbiting the earth, but there are far greater numbers of very small masses such as flakes of paint. calculate the force exerted by a 0.110 mg chip of paint that strikes a space shuttle window at a relative speed of 5.00 β 103 m/s and sticks, given the collision lasts 6.00 β 10-8 s. such a collision chipped the window of the ill-fated challenger in june 1983, causing $50,000 of damage.
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Physics, 22.06.2019 23:00
The statue of liberty is 305.5 feet high. when the angle of elevation of the sun is 50 , what is the distance to the tip of the shadow from a point at water level and directly below the highest point of the statue?
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