Will award brainliest and upvote if you can help answer! ​

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

Disney, viacom and aol time warner are examples of

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?