Author Question: What is the main energy transformation (input and useful output) for a person speeding up while ... (Read 120 times)

sjones · **on:** Jul 29, 2018

What is the main energy transformation (input and useful output) for a person speeding up while riding a bicycle?

A) kinetic E chemical E
B) thermal E kinetic E
C) chemical E elastic E
D) elastic E kinetic E
E) chemical E kinetic E

Question 2

Regarding the validity of the law of conservation of energy,

A) it is valid for any situation in which Newtonian physics is valid, but is often incorrect outside of that range.
B) it is valid in all situations except those situations involving heat.
C) this law is a consequence of Newtonian physics, and so this law is valid in every known situation because Newtonian physics is valid in every known situation.
D) it is valid in every known situation--including those situations in which Newtonian physics is not valid.