PLEASE HELP ME AND REALLY NEED THIS ANSWER QUIKLY A student starts a stopwatch when a bob reaches to point M. he counts each time when the bob changes direction and stops the watch on th tenth change in direction . the watch shows a time of 12.0 second . calculate the time period.

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What is the temperature in degrees celsius of a substance with a tempature of 49k

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Difference between series and parallel circuits