Through with one of the following mediums is the velocity of a sound wave the greatest?

A. Steel

B. Air

C. Water

D. Lead

To catch a ball, a baseball player extends her hand forward before Impact with the ball and then lets it ride backward in the direction of the ball's motion. Doing this reduces the force of impact on the player's hand principally because the a.

What are three ways in which people use microwaves?

Which of the following is not a method used to improve management of tropical rainforests? a. increased logging b. establishing special reserves for critical species c. utilize better agricultural techniques d. the use of plantations

What is the drivers displacement at the end of the lap

Does the moon fall partly into earth's shadow when it is n "full"?

A water skier is pulled behind a boat. When the skis push down on the water, what is the reaction force? A. The skier pulls back on the boat. B. Earth's gravity pulls down on the skis. C. The water pushes up on the skis. D. The boat pulls the skier.

Approximately how much electrical energy does a 5-W light bulb convert to radiant or thermal energy in one hour

If a clock expends 2 W of power from a 1.5 V battery what amount of current is supplying the clock?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

What connection does salt have with acids and bases?