Physics, 03.07.2019 14:20 henryisasum7846
Aprojectile leaves a rock that is 5 meters high, with a horizontal velocity of vox= 15m/s. calculate the time the projectile is in the air. sorry for the wording, this is what i could write down during class. p. s vox is v-not of x or initial velocity x, since it says it has an "horizontal" velocity. my professor used the equation y=yo + vo(t) - 1/2(g)(t^2) which is 0 = 5 + (0)t - 1/2(9.8)(t^2). my professor got 1 second for the answer, but i don't understand why he used 0 for initial velocity, when i thought initial velocity was 15m/s and final velocity 0. any is appreciated, !
Answers: 1
Physics, 22.06.2019 12:10, anaroles04
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
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Aprojectile leaves a rock that is 5 meters high, with a horizontal velocity of vox= 15m/s. calculate...
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