A particle of mass moves under a force given bywhere and are unit vectors in the and directions. The particle is placed at the o rigin with an initial velocity After how much time will the particle first return to the origin
1 answer:
The elapsed time when the particle returns to the origin is determined from the ratio of initial velocity and acceleration of the particle.
<h3>Time of motion of the particle</h3>
The time of motion of the particle is calculated by applying Newton's second law of motion.
F = ma
F = m(v)/t
where;
t is time of motion of the particle m is mass of the particle v is velocity of the particle a = v - u/t
v = u + at
when the particle returns to the origin, direction of u, = negative.
final velocity = 0
0 = -u + at
at = u
t = u/a
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I hope this helps you
Well, that would be a plane (flat) mirror
