Question

A particle, initially 15m from the origin and travelling at 2ms^-1, accelerates at a constant rate and ends up 10 sec later, -20m from the origin.
what is its acceleration????

thanks :)

Answer 1

35 = 2x10 + 0.5 x a x 100
15=50a
a=0.3

Answer 2

where did you get 35 from?