A balloon is hovering at a height of 200 m above. A man in a boat on a lake observes it at an elevation of $$45^\circ$$. 100 seconds later, he sees it at an angle of elevation of $$30^\circ$$. What i…

Question

A balloon is hovering at a height of 200 m above. A man in a boat on a lake observes it at an elevation of $$45^\circ$$. 100 seconds later, he sees it at an angle of elevation of $$30^\circ$$. What is the speed of the boat ?

PYQPulse · Accepted Answer

1.5 m/s

A balloon is hovering at a height of 200 m above. A man in a boat on a lake observes it at an elevation of $$45^\circ$$. 100 seconds later, he sees it at an angle of elevation of $$30^\circ$$. What is the speed of the boat ?

Answer: A. 1.5 m/s