a bird flying horizontally accidently drops a rock it was carrying. 2.10s later, the rocks velocity is 22.2m/s in a - 68.2 direction. what was the birds (and rocks) initial velocity

The unique name given to each organism; made up of Genus and species ... is ... ?

Which of the following optical media (BD-R, Blu-Ray, DVD-RW, and DVD DS [Double-Sided]) : a) is capable of multiple rewrites and b) has the largest capacity?

In the scientific method, the analysis step uses data from?

Scientific fact can never change 1) True 2) False

If a person has a mass of 60 kg and a velocity of 2 m/s, what is the magnitude of his momentum? A. 1,176 kg-m/s B. 58 kg-m/s C. 30 kg-m/s D. 120 kg-m/s

An airplane flies due west (i. e. in the-X direction) between two airports. For one-quarter of the distance it travels at 650.0 km/h and the rest at 750.0 km/h. What is the average velocity (not speed) of the airplane?

1. The "Opportunity" rover that just landed on Mars transmitted music back to Earth. If the distance to Earth at the time was 9x107 km and radio waves (a kind of "light") travel with a speed of 3x108 m/s, how long did it take for the signal to reach

Precipitation is most likely occurring at A because it is located A. On a cold ocean surface B. On a warm land surface C. Near the cold front D. Near the warm front

A truck moving at 45 m/s passes a police car moving at 36 m/s in the opposite direction. if the frequency of the siren is 500 Hz relative to the police car, what is the frequency heard by an observer in the truck after the police car passes the

How do you increase the mechanical advantage of a ramp?