Why does heat energy always move from a higher temperature to a lower temperature?

Which of these types of organisms is there more of on Earth? A. goat B. human C. dandelion D. bacterium

James Joule is credited to be the first to demonstrate a clear connection between mechanical work and heat. a) True b) False

A NFL linebacker runs the 100m sprint in 12s. What is his final velocity?

Two very small spheres are initially neutral and separated by a distance of 0.30 m. Suppose that 2.50 1013 electrons are removed from one sphere and placed on the other. (a) What is the magnitude of the electrostatic force that acts on each sphere?

Which are complete descriptions of the momentum of an object? Circle all that apply. a. 2.0 kg/s b. 7.2 kg•m/s, right c. 6.1 kg•m/s2, down d. 4.2 m/s, east e. 1.9 kg•m/s, west f. 2.3 kg•m/s

What elements are formed only during the supernova phase of large or extra-large madd star?

When a solid A of mass 12g is completed immensedin a measuring cylinder filled with water it diplaces the same volume of water as does solidB if mass 8 what can be deduced about the densities of solid AandB

Write the energy equivalent to 300 units of electrical energy in joules

Briefly describe why these searches suggest that star-like (our planet-like) objects and black holes cannot account for all the dark matter in the halo of our galaxy.

What two units of measurement are necessary for describing speed?