Answer:
2 and 3
Explanation:
because that's how kinetic and potential energy work
Answer: 40 grams, if it is two grams per mL and you have 20 mL, you multiply 2 grams/mL and you get the answer
5,000J
GPE = mass x gravity x height
GPE = 10 x 10 x 50
= 5,000
It will take john 4.477 seconds
Answer: Element Carbon: Valence Electrons