2. The temperature of a room is 10°C. In 1 hour the room is heated to 20°C by a 1kW electric
heater.
(a) How much heat is delivered to the room?
(b) What is the thermal capacity of the room?
(c) Does all this heat go to heat the room?

What are similarities and differences between refraction, reflection, diffraction and absorption?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.

Against his financial advisor's advice, frank has decided to invest his money in some risky stocks because he once made quite a bit of money in the stock market. his decision illustrates a. the representativeness heuristic b. overconfidence c. the availability heuristic d. confirmation bias select the best answer from the choices provided