A gas bubble, from an explosion under water, oscillates with a period T proportional to padbEc. Where 'P' is the static pressure, 'd' is the density of water and 'E' is the total energy of the explosion. Find the value of a, b and c.
Odpoveď
(A)
a = -5/6, b = 1/2, c = 1/3
2
When a person walks on a rough surface, the frictional force exerted by the surface on the person is opposite to the direction of his motion.
