Three-fourths of the earth's surface is covered by water. the water cycle includes these water sources evaporating and returning to earth as rain and snow. what is the driving force behind the water cycle? the tilt of the earth the sun the moon the wind

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.