Please tell me how to solve it?
#16t^2
#16t^2
1 Answer
Sep 3, 2017
(a)
(b)
Explanation:
Average speed is given by:
barv=(Deltax)/(Deltat)
Here,
barv=(s(5)-s(0))/(5-0) "ft/sec"
color(white)barv=(16*25-16*0)/5 "ft/sec"
color(white)barv=80 "ft/sec"
To find the instantaneous velocity at
v=(ds)/dt=d/dt16t^2=32t
Thus, at
v=32*5=160 "ft/sec"