Homework Statement
If the variation in g between one’s head and feet is to be less than 1/100 g, then, compared to one’s height, what should be the minimum radius of the space habitat?
*I honestly am not sure on how to go about answering this question.
Homework Statement
A lever is used to lift a heavy load. When a 50-N force pushes one end of the lever down 1.2 m, the load rises 0.2 m. Calculate the weight of the load.I really am not sure how to go about this. I realize work = fd but calculating the weight is where i get lost.
Also, I had a...
Homework Statement
The Shadow cast by a vertical pillar in Alexandria at noon during the summer solstice is found to be 1/8 the height of the pillar. The distance between Alexandria and Syene is 1/8 the Earth's radius. Is there a geometric connection between these two 1-to-8 ratios...