A A mas on the end of a length of rope is being swung ina
Circle of radius 3.2m at an angular velocity of 0.71rad/s.
How fast is it moving?​

answer: point c: b. 1/2 potential, 1/2 kinetic, point a: 3/4 of its potential energy, point d or b: 3/4 potential, 1/4 kinetic

explanation: i cant explain. it's difficult to explain.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right