Why is it good for scientist to be skeptical

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 477J of energy to the room?

Which energy transformation occures on hairdryer?

According to this electric charge cannot be created or destoryed

Systems in nature tend to undergo changes toward___? Explain your answer. 1. lower energy and lower entropy. 2. lower energy and higher entropy. 3. higher energy and lower entropy. 4. higher energy and higher entropy.

Sup pose o tell you that 1 meter = 1.09 yards. convert 460 mm unto yards

The hinge at A and cable BDC support beam ABC. Cable BDC passes over the pulley D that is pinned to the ceiling. (Assume that the + x-axis is to the right and the + y-axis is up along the page.

The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...

What type of ethic is life-centered and views humans as just one component life on Earth

Which formula describes acceleration? m/s^2 m/s s/m m2