Abook weighs 4 n. when held at rest in your hands, the net force on the book isquestion 9 options:

0 n.

0.4 n.

4 n.

39 n.

none of the above

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island

J. j. thomson’s experiment disproved the theory that an atom

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