The second law of thermodynamics states that thermal energy can flow from colder objects to hotter objects ...

a. by convectionb. only if work is done on the systemc. spontaneously

d. when thermal expansion takes place

How are hot spots used to track plate motion

What is the principles of electric motor

What is true about valence electrons? They are those electrons that are closest to the nucleus They are those electrons that are neutrally charged They are those electrons that are found in the nucleus They are those electrons that are furthest from

Which sound would be loudest? O A. a wave with an amplitude of 1.0 OB. a wave with an amplitude of 0.1 OC. a wave with an amplitude of 0.5 OD. a wave with an amplitude of O

Which of the following organisms would most likely be found at the top of a food web? a Flowers b Bees c Birds d Foxes

Secondary evidence is the basis for drawing scientific conclusions is this true ir false

Why does fluid pressure exist?

If vx = 7.50 units and vy = - 6.10 units, determine (a) the magnitude and (b) direction of v⃗.

7. A box with a mass of 3.2 kg is pushed 0.667 m across a floor with an acceleration of 3.2 m/s². How much work is done on the box?

When reporting the speed, we need to include the value, units and direction the object was traveling. True or False?