Category: Physics

How hot is too hot for winter tires? All-season tires begin to lose their grip once temperatures drop below +7C and are nearly useless for any temperature below -10C. Is 60 degrees too warm for winter tires? They are usually fine as long as temps don’t go too far above 60. It’s better to run […]

What are some good insulators? Plastic, rubber, wood, and ceramics are good insulators. These are often used to make kitchen utensils, such as saucepan handles, to stop heat from flowing up to burn the cook’s hand. Plastic coating is also used to cover most electrical wires in appliances. Air is also a good insulator of […]

Why did F1 stop using slicks? Formula 1 got rid of the ‘slicks’ and re-introduced ‘grooved’ tyres. The sole purpose of the move was to curb the increasing cornering speeds. Those grooved tyres had three parallel grooves in the front tyres and four parallel grooves in the rear tyres. Are F1 Tyres smooth? ‘Slick’ tyres […]

What are the main components of a map? There are three Components of Maps – distance, direction and symbol. Maps are drawings, which reduce the entire world or a part of it to fit on a sheet of paper. Or we can say maps are drawn to reduced scales. But this reduction is done very […]

How can I tell if my glass is heat-resistant? If it is a heat-resistant glass, there will generally be a corresponding label on the glass, indicating the temperature and range of use; If you find nominal Pyrex glass at a low price, consider its authenticity. Is all glass heat-resistant? Glass is thermal-shock resistant, meaning it […]

Does the amount of solvent change when you dilute a solution? 1. Learn how to dilute and concentrate solutions. Often, a worker will need to change the concentration of a solution by changing the amount of solvent. Dilution is the addition of solvent, which decreases the concentration of the solute in the solution. What is […]

Can a laser pointer cause fire? Whereas, for a laser pointer all of the light from it can reach your eye in one go if you were to stare into a laser beam. This can be dangerous because all of the energy from the laser beam is depositing on your eye in one go. But […]

Why COP of heat pump is more than refrigerator? (See thermal efficiency of a heat engine.) Note that the COP of a heat pump depends on its direction. The heat rejected to the hot sink is greater than the heat absorbed from the cold source, so the heating COP is greater by one than the […]

How far away can the siren be heard? The physics of sound will reduce the volume of the siren as the distance from the siren increases. With today’s modern vehicles, the effective range of the siren at a 90-degree intersection is often no more than 80 feet. Does pitch change with distance? Sound waves that […]

What are the key interest groups in relation to the ethical violation? Ethical Violation Paper The Key interest groups in relation to the ethical violation The key interest group in relation to ethical violation is the fact of not following protocol, Racial profiling suspect, Use brutality on suspect, Abused of power on suspect, not following […]