Wednesday
July 23, 2014

Homework Help: Math3

Posted by Ralph on Wednesday, April 20, 2011 at 6:17pm.

a) A young man measuring 1.89 m. walks at a velocity of 1m/s towards a lamppost which its light is at 4m from the ground. At what velocity does the young man's shadow decrease when he's 10 m away from the lamppost?

b) A young girl, standing at the edge of a dock, pulls a boat towards herself with a cable attached to the front of a boat at 0.3m from sea level. If the girl pulls the cable at a velocity of 1.6 m/s, her hands being at 2.5m from sea level, at what velocity does the boat approach the dock when it's 3m away?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Math3 - a) A young man measuring 1.89 m. walks at a velocity of 1m/s towards a ...
Maths - a) A young man measuring 1.89 m. walks at a velocity of 1m/s towards a ...
Calculus - A man 2m tall walks away from a lamppost whose light is 5m above the ...
algebra - A man is walking away from a lamppost with a light source h = 6 m ...
precalculus - A man is walking away from a lamppost with a light source h = 6 m ...
Physics - Larry leaves home at 2:08 and runs at a constant speed to the lamppost...
physics - Larry leaves home at 2:08 and runs at a constant speed to the lamppost...
physics - A man walks 3 miles east in 1 hour at a constant velocity, then walks ...
phisecs - In a period of 3 h, a man walks 13 km north, turns around and walks 5 ...
phisecs - In a period of 3 h, a man walks 13 km north, turns around and walks 5 ...

Search
Members