How to calculate force of gravity of an object when force of gravity of other gravity is given​

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

How would doubling the made of an object change the objects potential energy

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).