Two cyclists start biking from the same location. Kate heads south at an average pace of 17 mph. An hour later, Nate heads west at an average pace of 14 mph. Which of the following could be used to determine how long after Kate starts riding it takes for them to be at least 35 miles apart?

Air masses are characterized by various properties including temperature humidity air temperature pressure and wind speed . which of the following air masses is associated with low relative humidity and high temperature

Wich of the following is not likely to appear on a map

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks