Answer:
a) 90m
b) 8.1s
Explanation:
The shortest way to finding the length of the incline is to apply an energetic analysis to determine the height of the incline. At the beginning, there is potential and kinetic energy that will turn into kinetic energy only:
Before we input any information, let's solve for h:
Using a sine formula we can solve for 
:
In order to find the time we will use the distance formula and final velocity formula as a system of equations to solve for t:
Since the acceleration and time are both variables we will solve for acceleration in the final velocity formula and replace in the distance formula:
The more viscous a substance, the more difficult it will be to spread out and run quickly, so the more viscous a substance, the narrower the flow. (I am not 100% sure, I have only a little experience with fluid dynamics, but as you asked me to answer there is my best shot!)
An element's <u>Period</u> is it's row in the periodic table.
Answer:
When the amplitude of the wave doubles, The v remains unchanged, but vmax doubles.
Explanation:
An example of objects that move in revolution is a ball on a string end or a planet that is moving around a star.
<u>Explanation:</u>
Rotation is the movement of an object in circular path. When the rotation's axis does not pass through the object, it is revolution. The axis of rotation may also be out of the object completely. This results in making the object to revolve around the rotation's axis. An object going in an elliptical path is revolution.It is the total time taken to complete one orbit.
Some of the examples for an object revolving are the following:
- A ball on the string end.
- A planet that revolves around a star. An orbit is a term that is used to describe this type of motion.
