Answer:
The length is and the angle is
Explanation:
The period of the pendulum is related to its length by
where is the acceleration due to gravity.
Solving for we get
putting in and we get:
There are two forces acting on the pendulum: The gravitational force and the student's force. Therefore, the angular displacement that these forces give is
putting in , , and we get
Answer:
Salt is produced by the reaction of an acid with a base.
Explanation:
A salt consists of the positive ion(cation) of the base and the negative ion (anion) of an acid. The reaction between a base and an acid (neutralisation) leads to formation of a salt.
D because u r using your energy to do all the things
Answer:
It [the diamond] would act like a prism, and make a rainbow, or, the light would break up and disappear
Explanation:
that's what I would think at least
False, it does create pollution form the smoke stacks and after the process is done they have barrels of toxic waste