Author Question: Which of these fuels are obtained from the remains of plants and animals that died millions of years ... (Read 90 times)

cnetterville · **on:** Jul 29, 2018

Which of these fuels are obtained from the remains of plants and animals that died millions of years ago?

A) Oil
B) Coal
C) Natural gas
D) All of the above.
E) None of the above.

Question 2

A rock is thrown upward with a speed of 12 m/s on the surface of planet X where the acceleration of objects in free fall is 1.5 m/s2 and there is no atmosphere. How long does it take for the laser to reach the maximum height?

A) 8.0 s
B) 11 s
C) 14 s
D) 16 s