You are here:

All Sciences & Engineering

Recent Answers

2017-02-21 Physics - car crash, vehicle in motion hitting stationary vehicle:

All the damage?  Both cars should have sustained some damage, equal forces would have acted on both.  However, the different points of application of those forces may have caused unequal amounts of damage

2017-02-20 Civil Engineering - draining a portion of river(cofferdam):

Hi Roy,    No, as I said, the canvas will be the layer stopping the water and it needs to line the rock dam's upstream slope, which needs to be between 30-45 degrees slope from the horizontal. Depends

2017-02-20 Civil Engineering - draining a portion of river(cofferdam):

Hi Roy,    Yes, you can use canvas as a layer upstream but it will need support downstream, which can be by use of rocks to form a small cofferdam. The canvas just acts as a layer to minimise water penetration

2017-02-19 Astronomy - Telescopes:

Hi James    The views you get from a telescope depend on two things:. Light gathering (how big the lens or mirror is) and magnification.  If you want to see details on the planets, the best ones to look

2017-02-19 Geology - Sulfur purity:

Sulfur is one of the native element minerals. Native element minerals are those elements that occur in nature in uncombined form with a distinct mineral structure.     Pure Sulfur is bright yellow. The

Categories

Browse Alphabetically

©2017 About.com. All rights reserved.