A baseball player steps up to the plate and hits a .150 kg fast ball traveling at 36.0 m/s, the impact caused the ball to leave his bat with a velocity of 45.0 m/s in the opposite direction. If the impact lasted for .002sec, what force did he exert on the baseball?

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Scientist have use computer models to create a series of maps that show how susceptible coastal cities in island countries are to the sea rising at different levels. the map shows that a 1 meter rise would swap cities all along the us eastern seaboard. a 6-meter sea level rise with sub merge a large part of florida. thermal expansion has already raise the oceans 10 to 20 centimeters the most likely cause, directly and indirectly, for such a rise in sea level is