Answer:
0.2 kg
Explanation:
PE = mgh
6 J = m (9.8 m/s²) (3.00 m)
m = 0.2 kg
Answer:
What forces act on a marble rolling down a ramp?
Answer: Gravity acts vertically downward. A normal force acts from the ruler toward the marble/ball in a direction that is perpendicular to the plane of the ruler. Friction acts in the direction opposite to which the marble/ball is moving. ... Friction slows down the marble/ball.
B. Physical Change - T<span>he molecules do not change shape or size. They do not contract or expand only.</span>
Explanation:
photo means light in latin
kinetic means to move
You would make rings of clay and then place the beads on the rings (one on each) at various places and one in the center for the nucleus.