A tire placed on a balancing machine in a service station starts from rest and turns through 13.5 revolutions in 7.61 s before reaching its final angular speed. Calculate its angular acceleration.

How many hydrogen (h) atoms are in one molecule of sulfuric acid, h2so4? (1 points) 1 2 4 7

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).

Give an example in which the electrical energy changes to light energy