Two burning candles (a narrow and a wide, see the figure) are standing on a table at distance 20 cm from each other. Initially the candles are the same height. As the candles are burning, the shadow of the wider candle observed on the wall at distance 40 cm from it does not move at all. The narrow candle burns down in 1 hour. How much time does it take for the wider candle to burn down? 40 min 20 cm 40 cm 1.5 h 2 h 2.5 h wall 3h
Two burning candles (a narrow and a wide, see the figure) are standing on a table at distance 20 cm from each other. Initially the candles are the same height. As the candles are burning, the shadow of the wider candle observed on the wall at distance 40 cm from it does not move at all. The narrow candle burns down in 1 hour. How much time does it take for the wider candle to burn down? 40 min 20 cm 40 cm 1.5 h 2 h 2.5 h wall 3h
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Transcribed Image Text:Two burning candles (a narrow and a wide, see the figure) are standing on a table at distance 20
cm from each other. Initially the candles are the same height. As the candles are burning, the
shadow of the wider candle observed on the wall at distance 40 cm from it does not move at all.
The narrow candle burns down in 1 hour. How much time does it take for the wider candle to
burn down?
40 min
20 cm
40 cm
1.5 h
2 h
2.5 h
wall
3h
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