The use of synthetic materials has pros and cons. Do you think the pros of using synthetic materials outweigh the cons? Or, do you think the cons outweigh the pros and synthetic materials should not be used? Explain.

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 transfer of heat through the movement of a gas or liquid a. convection b. conduction c. radiation

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)