MY NOTES A 68.5-kg person throws a 0.0440-kg snowball forward with a ground speed of 35.0 m/s. A second person, with a mass of 55.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 3.40 m/s, and the second person is initially at rest. What are the velocities of the two people after the snowball is exchanged

Why do astronauts in the space shuttle weigh less?

Amagnetic field applies forces on: a)static chargesb)moving chargesc)water flow

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