A; A chemical change makes a substance that wasn't there before. Moldy cheese has a new substance, color change and an odor.
Answer:
3 a is the ans i think so ....
No, newton’s second law does not apply to a situation in which there is no net force.
<h3>
What is force?</h3>
A force is a push or pull upon an object which stops or tends to stop the object and move or tends to move an object.
No, newton’s second law apply to a situation in which there is no net force because force compels the object to move in the direction in which force is applied so we can conclude that force is compulsory to move an object.
Learn more about force here: brainly.com/question/12970081
Answer:
1411.8 N/m
Explanation:
From Hooke's law;
F= Ke
Where
F= force on the spring
K= force constant
e = extension
But e= 8.50 × 10^-2m
F= weight = 12.0 kg × 10 = 120 N
K = F/e = 120/8.50 × 10^-2
K= 1411.8 N/m
Answer:
They create enormous amounts of sound energy, much like explosion. When an aircraft passes through air, it creates a series of pressure waves just like the waves created by the boat. As the speed of aircraft increases these waves are forced to compress.