Question

A boy is standing 120 meters from a point on the ground where a balloon is released vertically upwards at a rate of 3 meters per second.
When the balloon has risen 50 meters,
a) What is the rate of change of the line of sight between the boy and balloon?
b) What is the rate of change of the Angle of the triangle formed by the ground and the line of sight?

Answer 1

posting again just wastes your time and ours.
See your earlier post.