A car travels 150 kilometers west in 3 hours. What is its average velocity? Your
150 km/hr

50 km/hr

50 km/hr west

150 km/hr west

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).

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.

The amount of potential energy possessed by an elevated object is equal to what?