If the substance doesn't change chemically, it is a physical reaction.
Replication, Multiplication, and Substitution.
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:
rightwards is the positive velocity
Rightwards is the positive elicitation: