chemistry
posted by aswini on .
a stone is thrown vertically upwards from the edge of a tower with velocity 5m/s.it strikes the ground close to the base after 4s .the height of tower?

hf=hi+vo*t1/2 g t^2
0=hi+5*44.8*16
solve for hi
posted by aswini on .
a stone is thrown vertically upwards from the edge of a tower with velocity 5m/s.it strikes the ground close to the base after 4s .the height of tower?
hf=hi+vo*t1/2 g t^2
0=hi+5*44.8*16
solve for hi