Answer:
Increasing the pitch of a note on the piano means you make the note higher
Answer: Three
A plane requires minimum three points for its determination. These three points should be non-collinear or the third point should not lie in same line as made with any two points. By joining two points, a line is formed. A point is one dimensional.
By joining minimum three non-co-linear points, a plane can be formed.
Given three non-collinearpoints in space, they uniquely define a plane. The correct option is C.
Three-dimensional space requires at least three non-collinear points in order to establish a plane. Any additional points would also lie on the plane formed by these three points.
This is due to the fact that a plane is a two-dimensional surface that can go on forever. We define a plane that traverses all three points by joining three non-collinear points.
Their positions when combined result in a flat, continuous surface. More points would simply serve to confirm the plane's definition rather than alter it. Because of this, three points are sufficient to build a plane in three dimensions.
Thus, the correct option is C.
For more details regarding non-collinearpoints, visit:
#SPJ6
Your question seems incomplete, the probable complete question is:
How many points does it take to determine a plane?
A. one
B. two
C. three
D. four
Answer:
the density of ordinary (baryonic) matter in the universe
Explanation:
Deuterium detection is of interest because the amount of it may be related to the amount of dark matter in the universe, but precise measurements have been difficult to obtain. Due to the way in which deuterium was created in the Big Bang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.
Also, an exact measure of deuterium would be an indicator of the cosmic density of barions (ordinary matter), and that density of barions would indicate whether ordinary matter is dark and is found in regions such as black holes, gas clouds or brown dwarfs, or it is bright and can be found in the stars. This information will help scientists who try to understand the very beginning of our universe.
When a piece of aluminum foil is taken out of the oven and cools from 100C to 50C. Then the change in temperature is 50°C.
Temperature is a fundamental concept in physics that describes the degree of hotness or coldness of an object or system. It is a measure of the average kinetic energy of the molecules or particles that make up the object or system.
In other words, the temperature is a measure of how fast or slow the particles are moving. When the particles move faster, the temperature is higher, and when they move slower, the temperature is lower. Temperature is commonly measured using a thermometer, which is a device that detects changes in a physical property of a material, such as its volume, pressure, or electrical resistance, that vary with temperature.
The unit of measurement for temperature is the Kelvin (K) scale, although Celsius (°C) and Fahrenheit (°F) scales are also commonly used. The Kelvin scale is an absolute temperature scale, where 0 K represents the lowest possible temperature, known as absolute zero. The Celsius and Fahrenheit scales are relative scales that are defined by the freezing and boiling points of water at standard atmospheric pressure.
Here in the Question,
The change in temperature is 30 because the change in temperature is calculated by subtracting the initial temperature from the final temperature. In this case, the initial temperature is 100°C and the final temperature is 50°C. So the change in temperature is:
Change in temperature = final temperature - initial temperature
Change in temperature = 50°C - 100°C
Change in temperature = -50°C
The negative sign indicates a decrease in temperature, which is expected as the aluminum foil cools down from the higher initial temperature to the lower final temperature.
Therefore, it is common practice to report the absolute value of the change in temperature, which in this case is 50°C.
To learn more about the 2nd law of thermodynamics click:
#SPJ2
Answer:
50°C
Explanation:
The change in temperature is basically the difference between the initial temperature to the final temperature. So change in temperature will be:
100°C - 50°C = 50°C
B. Subarctic
C. Semiarid
D. Tropical wet