A handball player hit a ball with a mass of 0.25 kg. The ball travels at a velocity of 15 m/s for 0.75 s until it hits the wall.

What was the average acceleration of the handball?

A.

20 m/s²

B.

0.05 m/s

C.

20m/s

D.

0.05 m/s²

Would you be doing more work by going up the stairs twice as fast?

The word oogenesis refers to

The valence electron occur in what part of the atom

Which of the following is not a result or consequence of rising average air temperatures on Earth? Glaciers and ice sheets melt. Sea levels rise. Evaporation increases. Salinity increases.

If a 70-kg swimmer pushed off a pool wall with a force of 250N at what rate will the swimmer accelerate from the wall

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?

All of the following are types of telescope except