Light has a wavelength of 340.0 nm and a frequency of 5.403 x 1014 Hz when traveling through a certain substance. What substance from Table 26.1 could this be? Show your calculation

The atoms in a sidewalk on a hot summer day are vibrating the atoms in the sidewalk on a freezing day in winter. a. more rapidly than b. more slowly than c. at the same speed as

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?