Radiation transfers energy by moving matter. select the best answer from the choices provided t f

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

a displacement distance is size of displ

scientific laws are the result of testing theories and proving them to be facts.