Answer: 12600 Joules
Explanation: Kinetic energy is the energy possessed by a body due to its motion.
It is calculated by the formula:
m= mass of the body
v= velocity
You can infer that the birds once had a common ancestor but became separated. Mutations in copying their genes stacked and caused changes in the beaks so the birds could be more well off or better adapted in their new environment.
Answer:
The magnets are placed side by side with the opposite poles of each magnet near the other (Option D/Option 4)
Explanation:
The two moved towards eachother when released, and that will only happen the opposite poles are facing eachother.
Sorry if this doesn't make much sense.