heyyy8502 heyyy8502
  • 04-09-2018
  • Physics
contestada

A man is walking away from a lamppost with a light source h = 6 m above the ground. the man is m = 2 m tall. how long is the man's shadow when he is d = 8 m from the lamppost?

Respuesta :

jamuuj jamuuj
  • 14-09-2018

Answer;

= 4 m is the length of the man's shadow.

Explanation;

2/x=6/(8+x) cross multiply.

6x=2(8+x)

6x=16+2x

6x-2x=16

4x=16

x=2=16/4

x=4 m. is the length of the man's shadow.

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