A van drives east across Colorado on 1-70. It took the van 8 hours to cross the state, which is 770 km wide. What was the van's average velocity?
a. 96.25 km/hr East
b. 770 mi/hr West
c. 6160 km/hr West
d. .01 mihr East

Rebekah has a table that has a mass of 21.7 kg. what is the weight of the table? a. 6 n b. 31.5 n c. 9.8 n d. 212.66 n

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of