A disc, having a radius of 10 m. and a thickness of 1.7 mm., is placed in a uniform E field of 45,264 N./C. so that the face of the disc is perpendicular to the field. What is the net positive charge on one of the faces of the disc?

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).

Why is the use of carbon-14 limited

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction