True. Think of a magnet and how they only connect to the opposite charges.
Answer: 39.2 m/s
Explanation:
You can use the kinematic equation:

We know the final velocity because it says it came to a stop. So now all we gotta do is plug in.

Speed is the distance travelled by an object whereas velocity is distance travelled by an object per unit time in a given direction.
Answer:
Im pretty sure its number 2
Explanation:
Based on the physics principle of conservation of energy, this radiation budget represents the accounting of the balance between incoming radiation, which is almost entirely solar radiation, and outgoing radiation, which is partly reflected solar radiation and partly radiation emitted from the Earth system, including the atmosphere.