A costumed crime fighter stands at the top of a 15.0-m high building. She throws a 1.70-kg rock with an initial velocity of 13.8 m/s towards a suspected bank robber. The bank robber is standing on a neighboring building that is 20.0 m high. How fast is the rock going when it hits the (suspected!) robber

How can one distinguish breccia from conglomerate? a. breccia contains angular clasts and conglomerate contains rounded clasts. b. breccia contains rounded clasts and conglomerate contains angular clasts. c. different minerals cement breccia than cement conglomerate. d. breccia contains sand and conglomerate contains silt.

If steel is more dense that lake water, why can a boat float

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good