The answer to what experimental result required considering the particle nature of light is A. The ultraviolet catastrophe of blackbody radiation.
Distance traveled by the ball is given by

here we know that
speed = 20 m/s
times = 0.25 s
now we have


so ball will travel 5 m distance in the given interval of time
Answer:
is it 20kg. Two opposing forces pushing onto each other
<span>(c) energy travels from the object at higher temperature
to the object at lower temperature.
Size and mass have no effect.</span>
A billiard ball. unless hit, the balls stay at rest. however when hit into another, the balls do not stop unless acted upon by another force.