What is brownian movement and what is its important in the explanation of matter?

Energy that is not utilized for work or heat transfer is converted to the chemical energy of body fat containing about 39 kJ/g. How many grams of fat will you gain if you eat 10,000 kJ (about 2500 kcal) one day and do nothing but sit relaxed for 16.

The initial speed of a body is 3.28 m/s. What is its speed after 2.32 s if it accelerates uniformly at 2.08 m/s2? Answer In Units of m/s

What conditions, common to most stars including our sun, appear to be necessary in order for fusion reactions to take place?

How much bigger is the sun than the earth?

A rocket is moving with constant velocity of 2000ms and accelerates uniformly at 10ms. What is the velocity after 5 minutes?

An earthquake 50km from a city produces P and S waves that travel outward at 5000 and 3000 m/s, respectively. Once city residents feel the shaking of the P wave, how much time do they have before the S wave arrives?

You throw a rock upwards; it rises and then falls back down. We know that the acceleration due to gravity is 9.8 m/sec2 near the surface of earth.

Wich process occurs in a human muscle when it is forced to make tap without oxegen

What type of waves do you think sunscreen our skin from cancer from?

Forces that have a net force of zero the object will be still