Gamma ray technology can be used to do which of the following? a. treat tumors in the body. b. communicate across long distances. c. speed up the process of hardening paint. d. monitor human activity at night.

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?

While preforming an experiment involving a reaction between two chemicals the scientist observes that the reaction container has become warm the observation is an example of

Suppose your surface body temperature averaged 90 degrees f. how much radiant energy in w/m^2 would be emitted from your body?