A particle P moves in a straight line. Velocity v ms^-1 at time t s is given by #v=5t(t-2)# for #0<t<4# #v=k# for #4<t<14# #V=68-2t# for #14<t<20# Find the set of values of t for which acceleration is positive?
1 Answer
May 16, 2018
The acceleration is positive when
Explanation:
The acceleration is the derivative of the velocity
The acceleration is