6. A picture 40 cm high is placed on a wall with its based 30 cm above the level of the eye of an observer. If the observer is approaching the wall at the rate of 40 cm/s, how fast is the measure of the angle subtended at the

a television camera is positioned o the ground 4000 feet from the base of a rocket launching pad. If the rocket is launched vertically at 600ft/s at what rate is the angle of elevation from the tv camera increasing when the rocket is at 3000ft above the ground

If a golf ball has horizontal velocity of 7.0 m/s and vertical velocity of 3.7 m/s, what is the golf ball's resultant velocity? Provide answer in m/s and round to the nearest one decimal place.

A hunter is moving away from a tree at the rate of 2 ft/sec. A 3 ft-tall eagle is resting on a branch of the tree that is 12 ft. above the eye level of the hunter. How fast is the measure of the angle subtended at the hunter's eye by the eagle changing when he is 40 ft. from the tree?