Have 5 (or any number) doghouses each with a different insulator. Make sure the other variables are controlled so the experiment if fair. Put a thermometer inside the doghouse and record the temperature inside each doghouse. Whatever doghouse has the highest temperature is the best insulator.
Answer:
Kinematics is the branch of classical mechanics that describes the motion of points, objects and systems of groups of objects, without reference to the causes of motion (i.e., forces ). The study of kinematics is often referred to as the “geometry of motion.”
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<u>Answer</u>:
The value of the temperature 15 degrees Celsius in degrees Kelvin is 288 degrees
<u>
</u><u>Explanation</u><u>:
</u>
Given:
Value of temperature= 15 degrees Celsius
To find:
Temperature in kelvin=?
Solution:
We Know that,
Celsius scale = Kelvin scale – 273
Re-arranging the formula,
Kelvin scale = Celsius scale + 273
Substituting the value we get,
Kelvin scale reading = Celsius scale + 273
Kelvin scale reading = 15 + 273
Kelvin scale reading =288K
Thus the kelvin value of 15 degree Celsius is 288 degrees
Not sure this is a physics question (probably biology).
Anyway, the correct answer is A):
"Plasticity helps us to adapt to our environment. It also generally decreases with age".
Plasticity is the ability to adapt to the environment. Since this ability is linked with brain functions, and brain functions worsen with age, then plasticity decreases with age.
Answer:
1.8 × 10^29 kg
Explanation:
The computation of the total mass is shown below;
As we know that
The total mass of the sun is
= 2 × 10^30 kg
Since 70% of the mass involves hydrogen gas, so total mass of the hydrogen gas is
= 70% × 2 × 10^30 kg
= 1.4 × 10^30 kg
And, 13% available for fusion, so the hydrogen gas mass is
= 13% × 1.4 × 10^30 kg
= 1.8 × 10^29 kg