1. The position of a particle is given by: x(t)= At^3 +Bt^-2 Where A = 1...

Question

Question

1. The position of a particle is given by:

x(t)= At^3 +Bt^-2

Where A = 1 m / s3 and B = 1 m (s^2)

a) Find the average speed between one second and four seconds.

b) Find the instantaneous velocity at a time t.

c) Find the instantaneous velocity at t = 0.5 s

d) At what time does the speed become zero?

e) Find the instantaneous acceleration at a time t.

f) Find the acceleration at t = 0.5 s.

g) The body at t = .5 s is accelerating or decelerating. You have to justify your answer.

science physics

Answer 1

Answer #1

The motion of object

Answer 2

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