If do has a frequency of 273 hz and re a frequency of 357 hz, what is the beat frequency produced when these two notes are played together? round the final answer to the nearest whole number.

How many neutrons does plutonium -196 with an atomic number of 78.

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?

How can a cyclist's acceleration change even if its velocity remains constant?