Au-235 fueled reactor originaly operating at a constant power of 1 milliwatt is placed on a positive 10-minute period. at what time will the reactor power level reach 1 megawatt?

A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest