Longitudinal waves or better known as pressure waves
Answer: 7 kg bowling ball must move with a speed of 2.8 m/s so that it has the same kinetic energy.
Explanation:
Kinetic energy is the energy possessed by a body by virtue of its motion.

m = mass of object
v= velocity of the object

b) for a 7 kg bowl to have kinetic energy of 27 Joules:



Thus 7 kg bowling ball must move with a speed of 2.8 m/s so that it has the same kinetic energy
Answer:
False
Explanation:
Density is a physical property of matter.
C.Earth is the largest and most dense of the terrestrial planets
Answer:
>400N is needed to balance that lever