Which is a correct description of hooke’s law?
1.the force applied to a spring equals the product of the spring constant and the displacement.
2.the force applied to a spring equals the spring constant divided by the displacement.
3.the spring constant of a spring equals the product of the force applied and the displacement.
4.the spring constant of a spring equals the displacement divided by the force applied.

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative

Answer fast for brainliest! < 3 what type of image is formed by a reflecting telescope? a reduced virtual image a reduced real image an enlarged real image an enlarged virtual image