You multiply the high length and width and if your using centimeters then divide by 500 and then there's your answer.hoped this helped.
So the velocity of ball b is 6.50kg then just simple reciprocate the kgm of ball A
Answer: Yes, the answer is D.
Explanation: Sound waves are transverse waves, which are the fastest type of wave and can travel (almost) any medium with the exception of a few natural elements.