Answer:
972 J
Explanation:
At the bottom, all the gravitational potential energy was converted into kinetic energy. If you calculate the GPE, its value will be the same that the KE at the bottom. The GPE can be calculated this way:
GPE = mass×gravity×heigth
GPE = 2.2×9.8×45.08 ≈ 972
Answer:
A
Explanation:
just took a test on ed sorry if wrong I got it right
Answer:
C. 212,000 years
Explanation:
believe me it's correct.....and you're welcome :)