12) We are all familiar with Newton's laws of motion. The image above models one of Newton's laws. That is Newton's A) first law of motion. B) second law of motion. C) third law of motion. D) law of gravitational attraction.

Athin, square metal plate measures 14 cm on each side and has emissivity of 0.60. the plate is heated to a temperature of 745°c. what is the rate at which the plate radiates energy ? the stefan-boltzmann constant is 5.67 × 10-8 w/(m2 ? k4). remember that the plate will radiate energy from both its top and bottom surfaces.

With i really need the correct answer!

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.