Answer:
B. an action-reaction force pair
Answer
given,
watermelon blown into three pieces
two pieces of mass m
both pieces speed = v = 31 m/s
mass of third piece = 3 m
using conservation of mass
velocity of third component
angle
Green has a shorter wavelength.
It is very easy..let me tell you.. there are seven colors in the rainbow. Isn't it?
According to their decreasing order of wavelength , they are:
Red
Orange
Yellow
Green
Blue
Indigo
Violet.
It is as simple as that to remember....