A force F, where F (61- 36rj + 541 k) N, acts at time seconds on a particule P of mass 3 kg. Initially, the particle is moving with velocity (3i + 3j) m s''. Find, (a) (b) the acceleration of P at time 1, the velocity of Pat time t. Calculate, when = 2, (c) (d) the kinetic energy of P, the work done by the force to move P in the interval 1 sts2.

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A force F, where F=(6i - 36rj + 54: k) N, acts at time seconds on a particule P of mass 3 kg.
Initially, the particle is moving with velocity (3i + 3j) m s'.
Find,
(a)
(b)
1.
(i)
the acceleration of P at time t,
the velocity of P at time t.
Calculate, when 1=2,
(c)
(d)
the kinetic energy of P,
the work done by the force to move P in the interval ists2.
Transcribed Image Text:A force F, where F=(6i - 36rj + 54: k) N, acts at time seconds on a particule P of mass 3 kg. Initially, the particle is moving with velocity (3i + 3j) m s'. Find, (a) (b) 1. (i) the acceleration of P at time t, the velocity of P at time t. Calculate, when 1=2, (c) (d) the kinetic energy of P, the work done by the force to move P in the interval ists2.
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