Two plane mirrors are inclined at 70 deg. a ray incident on on one mirror at angle theta, after reflection falls on second mirror and is reflected from there parallel to the first mirror. what is theta

Study the following reaction carefully. what classification should this reaction have? 4al + 3o2 2al2o3synthesisdecompositionsingle replacementdouble displacement

How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by

What are the three ways that an object can accelerate