Aprojectile is fired with a velocity of 45 m/s at an angle of 32°. what is the
horizontal comp...
Physics, 13.11.2019 21:31 ammarsico19
Aprojectile is fired with a velocity of 45 m/s at an angle of 32°. what is the
horizontal component of the velocity?
a. 19.3 m/s
b. 45.0 m/s
c. 38.2 m/s
d. 23.8 m/s
Answers: 1
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Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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Aparticle's position is given by x = 3.00 - 9.00t + 3t2, in which x is in meters and t is in seconds. (a) what is its velocity at t = 1 s? (b) is it moving in the positive or negative direction of x just then? (c) what is its speed just then? (d) is the speed increasing or decreasing just then? (try answering the next two questions without further calculation.) (e) is there ever an instant when the velocity is zero? if so, give the time t; if not, answer "0". (f) is there a time after t = 3 s when the particle is moving in the negative direction of x? if so, give the time t; if not, answer "0".
Answers: 3
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