Which example best illustrates a change from elastic potential energy to kinetic energy? a cook kneads bread dough, then pours it into a pan. a trampoline sags as a rock is gently lowered onto it. a bowling ball accelerates as it rolls down a steep ramp. a twisted rubber band unwinds to turn the blades of a toy propellor.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

Which of the following has the greatest impact on an ecosystem migratory animals predation human inference

The vector a? is 3.50 cm long and is directed into this page. vector b? points from the lower-right corner of this page to the upper-left corner of this page and has the components bx=-19.5 cm , by=25 cm. in the right-handed coordinate system, where the +x-axis directed to the right, the +y-axis toward the top of the page, and +z-axis out of the page, find the x-component of the vector product a? ×b? , measured in cm2.