A horizontally moving tennis ball barely clears the net, a distance y above the surface of the court. To land within the tennis court the ball must not be moving too fast. To remain within the court's border, a horizontal distance d from the bottom of the net, Find the ball's maximum speed over the net.
Express your answer in terms of the variables d, y, and appropriate constants.

An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion

Which sentences describe point source pollution? in this type of pollution, the source of the pollution is single and easily identifiable. when runoff water from the melting of snow mixes with debris, it creates pollution. the runoff water, mixed with pollutants, reaches large areas with disastrous effects. alternatively, when a wastewater treatment plant releases harmful chemicals into a stream, the chemicals pollute the stream water because they are not treated for safety.