A tennis ball is hit into the air with a racket. When is the ball’s kinetic energy the greatest? Ignore air resistance. A.
when it leaves the racket
B.
just before it reaches the ground
C.
when it reaches its maximum height
D.
when its kinetic energy and potential energy are equal
E.
just before it starts falling downward

The substances that are necessary for producing of certain hormones and that store and transport vitamins

Select the three ways that the parallel-plate capacitor differs from a car battery.

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.