A train crosses a bridge that is 1300 m long in 1 minute and 5 seconds. What is the speed of the train in m/s?

How does the amount of energy required to hold each proton and neutron in the nucleus compare to the energy released when they are removed?

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.

How much work would it take to move a coulomb charge across a 4 volt potential difference?