A machine fired several projectiles at the same angle, e, above the horizontal. Each projectile was fired with a different initial velocity, vi. The graph below represents the relationship between the magnitude of the initial vertical velocity, Viy, and the magnitude of the corresponding initial velocity, v; of these projectiles. Determine the angle, , above the horizontal at which the projectiles were fired. A. 39° B. 35° C. 33° D. 40°
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Physics, 21.06.2019 22:30, leannamat2106
According to the tide table below what time of day will the highest tide occur?
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Physics, 22.06.2019 17:50, manou76
Two identical stars with mass m orbit around their center of mass. each orbit is circular and has radius r, so that the two stars are always on opposite sides of the circle. (a) find the gravitational force of one star on the other. (b) find the orbital speed of each star and the period of the orbit. (c) how much energy would be required to separate the two stars to infinity?
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Physics, 23.06.2019 02:30, elishane864
Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.
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A machine fired several projectiles at the same angle, e, above the horizontal. Each projectile was...
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