The net force on any object moving at constant velocity is

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

Ineed the answer to question 1 , i’m desperate

The mini-refrigerator fire was most likely caused by what type of wiring?