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!

## Answer This Question

## Related Questions

- math (rate) - I need help! Ok here's the problem. Melissa lights 2 candles that ...
- Burning Candle experiment - What is the role of the wick in the candle? Is the ...
- math (rate) - A blue candle is twice as long as a red candle. The blue candle ...
- algebra 2 - A 16-inch candle is lit and burns at a constant rate. After 30 ...
- college math - the height (in cm) of a candle is a linear function of the amount...
- math - I kind of owe someone a favor :P and I have no idea A candle burns down ...
- Algebra 2 Please Help - 21. A candle is 17 in. tall after burning for 3 hours. ...
- chemistry - a candle was 27.9 grams. the mass of the candle that burned in 3 ...
- Math - A candle has length 25 cm. Once lit, the candle burns away at a constant ...
- Burning Candle experiment - what is the shape of the candle flame? To me it ...

More Related Questions