What is 28 degrees celsius converted to fahrenheit?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?