Car 1 has 7 times the mass of car 2, but only 0.6 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.

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).

The ph is the a.independent variable b.the dependent variable c.control group

What happens when the vapor pressure of a liquid is equal to the external pressure?