Answer: 3kg: 14.7 6kg: 29.4 9kg: 44.1
Explanation: just did it on Edge
Answer:
C. Struggle for existence
Explanation:
Have a great day
The answer is (B. The study of Matter and Energy) but technically you could consider physics all of these as engineering is based on physics and that would be the study of inventions, chemistry and biology were both discovered because of physics, and physics invokes more math than any other subject as it applies math to the entire Universe.
I believe it's C. The wagon does not move move because the force you apply to the wagon is equal to the force it applies to you. If the maximum friction force is greater than that force the wagon will not move.
I would say diamond because of how durable of a material it is. The light also travels the slowest for m/s.
