Question

question of jee mains​

Answer 1

Answer:

this is your jee mains look its a question

Answer 2

Answer:

-9/2  $m/s^{2}$

Explanation:

v = 3sin(x + pi/2)

differentiating wrt t,

a = 3cos(x+pi/2). dx/dt

dx/dt = v

therefore a = 9sin(x + pi/2)cos(x + pi/2)

putting x = pi/4

we get a = -9/2