sciences
posted by Anonymous .
how high will a body rise that is projected vertically upward with a speed of 100 ft/s how long will it will take a body to reach its maximum height?

Vi in meters= 100ft/s*(1/3.28ft)
Vf=0
a=9.8m/s^2
Solve for d
Vf^2 = Vi^2+ 2ad
Vi^2/2a=d
Solve for t.
Vf=Vi+at
Vi/a=t