a) The velocity of the body at the moment of separation from the plane b) The body's journey at this moment.

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On a body of mass m that is in a smooth horizontal plane began to act at
the time t = 0 a force that depends on time according to the law F = ct,
where c is a constant. The direction of this force constantly forms an
angle a with the horizontal direction, calculate:
a) The velocity of the body at the moment of separation from the plane
b) The body's journey at this moment.
F
m
ANS
mg? cos a
a) v =
2c sin? a
m²g³ cos a
b) s =
2c² sin³ a
Transcribed Image Text:On a body of mass m that is in a smooth horizontal plane began to act at the time t = 0 a force that depends on time according to the law F = ct, where c is a constant. The direction of this force constantly forms an angle a with the horizontal direction, calculate: a) The velocity of the body at the moment of separation from the plane b) The body's journey at this moment. F m ANS mg? cos a a) v = 2c sin? a m²g³ cos a b) s = 2c² sin³ a
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