If a projectile is shot at an angle of $pi/4$ and at a velocity of $2 m/s$ , when will it reach its maximum height??

Question

1569 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-01-26T07:30:03

height = 20 cm

since $ke$ = $1/2mv^2$
$K.E=1/2m2^2$
$k.e=2m J$

but K.e =workdone=potential energy of the body at maximum height

therefore $2m=mgh$

2=10h

$h=1/5m$
or $h=20cm$

If a projectile is shot at an angle of pi/4pi/4 and at a velocity of 2 m/s2 m/s, when will it reach its maximum height??