A camper hears her echo off a
hillside 1.52 s after yelling. How
far is she from the hill?

Acar travels 40m in 8 seconds find the car speed

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

Aspring that is stretched 2.6 cm stores a potential energy of 0.053 j. what is the spring constant of this spring?