Physics, 09.10.2019 20:30 aliahauyon20
Ablue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.7 meters above the ground. 2.5 seconds after the blue ball is thrown, a red ball is thrown down with an initial speed of 6 m/s from a height of 23.9 meters above the ground. the force of gravity due to the earth results in the balls each having a constant downward acceleration of 9.81 m/s^2. how long after the blue ball is thrown are the two balls in the air at the same height?
Answers: 2
Physics, 22.06.2019 15:30
What are the similarities & differences between a thermistor and a light dependent resistor in physics?
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Physics, 22.06.2019 21:40
Engines for propeller-driven aircraft are limited in their maximum rotational speed by the fact that the tip speed of the propeller must not approach the speed of sound in air (mach i). taking 6 ft as a typical diameter for a propeller of a light airplane and 1100 fils as the speed of sound, find the upper limit on the rpm (revolutions per minute) of the propeller shaft.
Answers: 3
Ablue ball is thrown upward with an initial speed of 20.6 m/s, from a height of 0.7 meters above the...
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