19. A microwave oven connected to a 120 V outlet operates at a current of 8.7 A. What is the resistance of the microwave oven? If the microwave
oven is operated exactly 1 hour each day for 28 days, what is the total
energy used in joules?

In raising a 6200-n piano with a pulley system, the movers note that, for every 2.2 m of rope pulled down, the piano rises 0.12 m . ideally, find the force required to lift the piano.

Which branches of natural science include the study of an organism that lived 10 million years ago

Formulating a hypothesis: part i since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of " because when writing your hypothesis