Will the sun ever stop shining? If so, how and when would we know((there are 3 questions
here 1. WILL IT STOP? 2. HOW WOULD WE KNOW? 2. WHEN WOULD WE KNOW? (as in how
long would it take us to know that the sun stopped shining? Like would we know
immediately? 2 hours later?) *

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.

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?