Thermal energy comes from the ,movement of particles which produces heat, the faster the movement is the more heat
It depends on both of them.
In fact, the projectile begins its motion with an initial velocity of
and an angle of
. On the y-axis (vertical direction), it is an accelerated motion with acceleration equal to -g (gravitational acceleration). The vertical velocity of the projectile at any time t is given by
and as it can be seen, this depends on both initial velocity and angle.
usually gravity is what causes us to make us weigh more or less depending on which planet we are on
Using
KE = ½mv² = ½×1500×19×19 = 270750 joules