Vo = 20m/s.[50o].
Xo = 20*Cos50 = 12.9 m/s.
Yo = 20*sin50 = 15.3 m/s.
Y = 0 m/s at max ht.
KE = 0.5M*Xo^2 = 0.5*0.8*12.9^2 = 66.6 J.
a 0.8kg ball is kicked with the speed 20m/s at an 50 to the horizontal.calculate the kinetic energy of the ball at maximum height.
m=0.8kg
v=20m/s
h=?
1 answer
1 answer