The amazing Rando drives his car 200 km at a constant speed of 70 km/hr and another 100 km at a constant speed of 30 km/hr. What is his average speed for the total trip?

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

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

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?