Areconnaissance plane flies 556 km away from its base at 832 m/s, then flies back to its base at 1248 m/s. what is its average speed? answer in units of m/s

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

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).