Answer:
1. the 0.2 kg ball was hit with 4N of force, which caused it to accelerate 20 meters per second, per second.
2. Force = (mass x acceleration) = 18 x 3, = 54N.
3. So the force exerted by the wind on the paper cup is 0.125N
4. So the force exerted by me is 200N
5. you will need 280N of force
6. 88N
7. 0N
answers are in bold
Answer: C
Explanation:
Why A is wrong: the most forest cover was lost between 1990 and 200.
Why B is wrong: The decline since 19190 has not been completely steady, different amounts have been lost.
Why D is wrong: The average lost every five years is more than five million.
Hope this helps!
B, goods can move freely between countries since there are no obstacles in the way of free trade between nations
Dr. López has probably found
"mirror neurons".
A mirror neuron is a neuron that flames both when a creature acts and when the creature watches a similar activity performed by another. Hence, the neuron "mirrors" the conduct of alternate, as if the onlooker were itself acting. Such neurons have been straight forwardly seen in primate species.