Draw additional masses to show how the block can be made to move toward point a. be sure to draw the string and label the mass of the block. for full credit, draw the minimum number of blocks required to make the block move toward point a.

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

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).

What is the role of lenses in microscopy?