Question

The potential energy of a particle of mass 5 Kg moving in x-y plane is given as U = (7x + 24y ) j , x and y being in metre. Initially at t=0 , the particle is at the origin ( 0, 0 ) moving with a velocity of ( 8.6i + 23.2j ) ms-1 . Then

the velocity of the particle at t = 4s , is 5 ms-1

the acceleration of the particle is 5 ms-2

the direction of motion of the particle initially is at right angles to the direction of acceleration

the path of the particle is circle

Answer 1

Hey.

Here is your answer.

a.) the velocity of the particle at t = 4s , is 5 ms-1

b.) the acceleration of the particle is 5 ms-2

c.) the direction of motion of the particle initially is opposite to the direction of acceleration.

d.) the path of the particle is not circular.

Thanks.