Question

given below the equations of motion of four particles A,B,C and D
xa=6t-3
xb=4t^2-2t+3
xc=3t^3-2t^2+t-7
xd=7 cos 60 - 3 sin 30

which of these four particles move with uniform acceleration
a) A b)B c)C d)D

Answer 1

The answer is b. The answer is b