How does an increase in thermal energy affect the kinetic energy of the particles in each state of matter

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

The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection

What is the temperature in degrees celsius of a substance with a tempature of 49k