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A straight road is northwards along the top of a vertical cliff of height 40m. A man at the top of the cliff spots a stationary...

A straight road is northwards along the top of a vertical cliff of height 40m. A man at the top of the cliff spots a stationary boat on a bearing of 90⁰ from the foot of the cliff and at an angle of depression of 30⁰. He walks northwards and after one minute views the stationary boat on a bearing of 110⁰ from the foot of the cliff as he moves at a constant speed.
(a) Make a sketch to represent the position of the man and the boat.
(b) Calculate the distance of the boat from the foot of the cliff.
(c) Find the shortest distance from the position of the man to the stationary boat after 1 minute
(d) Calculate the speed of the man in meters per second.

Answers

sharon kalunda answered the question on August 9, 2019 at 15:07

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