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2 articles trouvés pour ce sujet.
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The length of a shadow |
2014-05-09 |
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vijay pose la question :
A girl of height 80 cm is running away from the base of a lamp-post at a speed of 2 m/s. If the lamp is 4 m above the ground, find the length of her shadow after 5 seconds.
Penny Nom lui répond. |
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Length of a shadow |
2000-11-01 |
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Jessy pose la question :
A man who is six feet tall is walking away from a street light that is fifteen feet tall. How long is the man's shadow when he is ten feet away from the light?
Penny Nom lui répond. |
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