Homework Help: Calculus

Posted by Fee on Tuesday, October 26, 2010 at 11:32pm.

The burning candle
A candle is placed a distance l1 from a thin block of wood of height H. The block is a distance l2 from a wall as shown in Figure 7.1. The candle burns down so that the height of the flame, h1 decreases at the rate of 3 cm/hr. Find the rate at which the length of the shadow y cast by the block on the wall increases. (Note: your answer will be in terms of the constants l1 and l2.

Help please, and thanks!

No one has answered this question yet.

Answer this Question

Related Questions

Math - Suppose that the height (in centimeters) of a candle is a linear function...
Burning Candle experiment - What is the role of the wick in the candle? Is the ...
college math - the height (in cm) of a candle is a linear function of the amount...
Algebra 2 Please Help - 21. A candle is 17 in. tall after burning for 3 hours. ...
math - A candle is 17 in. tall after burning for 3 hours. After 5 hours, it is ...
math - The height (in centimeters) of a candle is a linear function of the ...
Physics - An image of a candle is produced by a convex lens 14 cm away. If the ...
physics - A 20 g bullet moving horizontally with a speed v hits a 2-kg block of ...
math (rate) - A blue candle is twice as long as a red candle. The blue candle ...
alisha - a candle is a foot tall after burning an hour. after 4 h it is 10.5 in...

For Further Reading

First Name:
School Subject:
Answer: