Answer:
When light is scattered, It reflects in many different directions, think about sunlight reflecting off the clouds.
Answer:
b.
c.
e.
h.
Explanation:
If we consider the ball,the tension is not balance by weight then the force acting will be non zero.It means that train car in not inertial frame of reference.And the same time the train car must accelerated with respected to the earth.It is not moving straight path.When train is in rest position but the string will be at the constant angle.
So the following option are correct:
b.
c.
e.
h.
F = ma
We have mass = 0.2kg
and acceleration = 20 m/s^2
So..
F = (0.2)(20)
F = 4 N
