Category: Physics

How do you write a good thank you letter? No matter what form you use to send your thank-you note, there are certain components you should always include. Address the person appropriately. Say thank you. Give (some) specifics. Say thank you again. Sign off. Send it as soon as possible. Be positive but sincere. Personalize […]

Why burning is a chemical change? A chemical change occurs whenever matter changes into an entirely different substance with different chemical properties. Burning is an example of a chemical change. Because chemical changes result in different substances, they often cannot be undone. Where does the wax go when you burn a candle? When you light […]

What is the sum of the forces? The sum of all the forces acting on an object is the net force or resultant force. If all the forces cancel out, the resultant force is zero, else, the unbalanced force will cause acceleration of the object. Force is a vector and hence has both a direction […]

Where is bad ozone found? troposphere Can ozone kill fungus? An ozone level of 0.4 ppm for 4 minutes has been shown to kill any bacteria, virus, mold and fungus. 1 parts per million is equivalent to: 8.345 pounds per million gallons (US). Mold and mildew are easily controlled by Ozone present in air and […]

Why is electrical resistance important? Resistance is another important property that can be measured in electrical systems. The same is true with electricity. Materials with low resistance let electricity flow easily. Materials with higher resistance require more voltage (EMF) to make the electricity flow. What is electrical resistance unit? Electric resistance has the dimension length […]

What is a good sentence for impulse? In this he was true to his prophetic impulse and genius. God could not have put into her heart an impulse that was against His will. A wild impulse to jump seized me, but terror held me fast. The impulse to utter audible sounds had always been strong […]

What is the best glue to attach a rear view mirror? Versachem Rear View Mirror Adhesive How do you reattach a side mirror on a car? How to Reattach a Side View Mirror Open the door on your vehicle and roll down the window all the way. Locate all screws on the inside door panel […]

What is the correct pathway of the oxygen that we breathe in? The oxygen you breathe in goes into your lungs and passes into your blood from there. It is then transported to all the cells in your body through your bloodstream. The lungs are located in the chest region, protected by the ribs in […]

What are the first 20 compounds? Compounds with their chemical formulae Explanation: Compound name – Chemical formula. 1). Acetate – 2). Acetic Acid – 3). Ammonia – 4). Sodium Phosphate – 5). Calcium carbonate – 6). Carbonic Acid – What are the 10 examples of mixtures? Here are a few more examples: Smoke and fog […]

How do our eyes use refraction? Light rays enter the eye through the cornea, the clear front “window” of the eye. The cornea’s refractive power bends the light rays in such a way that they pass freely through the pupil the opening in the center of the iris through which light enters the eye. The […]