A man 1.92 m tall, walking near a street light at night, casts a 3.88 m long shadow directly in front of him. The lightpost is 5.82 m behind the man. How tall is the lightpost?
August 30, 2015
Imagine that you throw a ball vertically upwards from the rooftop of a building. The ball abandons your hand at a point that has the same height as the railway of the rooftop with an ascending speed of 15m/s, been left in free falling. Coming down the ball crosses the railway...
October 10, 2014
A procedure calls for 100ml of 20% H2SO4, SG=1.14. How much of the concentrated acid (98%), SG=1.84, must be diluted with water to prepare 100ml of acid of the required strength?
April 15, 2014
This is why I am having trouble with this assingment. Here it is word for word. Suppose you have a disease that caused you to lose vision except from the retina. Everything you preceived was preceived by the retina. Discuss how the world might look to you and how you could use...
June 7, 2008
I am supose to write a paper, as if I have lost all vision except through the retina, and how I would then perceive images recieved by the retina. I guess my question is, are there any type of eye diseases where this actually takes place? And how do I learn about them?
June 7, 2008