Category: Physics

What is viscosity and its unit? definitions. Informally, viscosity is the quantity that describes a fluid’s resistance to flow. Fluids resist the relative motion of immersed objects through them as well as to the motion of layers with differing velocities within them. The SI unit of viscosity is the pascal second [Pa s], which has […]

What is line how many types of lines are there? five What are the styles of lines? The 5 Types of Lines Curvy Lines. Curvy lines are fun – they twist and turn and curl in lots of different directions! Vertical Lines. Vertical Lines go up and down. They can be straight or could zig-zag […]

What is the value of absolute pressure? Absolute Pressure Defined A full vacuum has an absolute pressure reading of 0 PSIA and average barometric pressure at sea level is ~14.7 PSIA. When measuring gauge pressure, current atmospheric pressure is the baseline and is therefore read as 0 PSIG. What does absolute pressure depend on? Pressure […]

What could you do in 8 minutes? 27 things you can do in 8 minutes and 46 seconds. By LISA OWENS. You can walk 0.44 miles @ 3mph. You can run 0.88 miles @ 6mph. You can drive 5.11 miles in the city @ 35mph. You can drive 8.76 miles on the highway @ 60mph. […]

What is in a juice box? Almost all juice boxes are made of composite packaging, which means they are made of multiple materials layered or smashed together. Juice boxes usually contain three to six layers of paper, plastic, and aluminum. The paper makes up 75% of the packaging, and provides stiffness, strength, and the efficient […]

What is considered a full course load in college? Full-time course load: A 12-credit hour load is the minimum required to be classified as a full-time student and may be necessary for students to receive financial aid benefits. Taking only 12 hours per semester would require additional classes (summer, for example) for students wishing to […]

How do you kill germs on your hands? Washing hands with soap and water is the best way to remove all types of germs and chemicals. If soap and water are not available, use an alcohol-based hand sanitizer with at least 60% alcohol. How long do germs live on hands? Flu germs live for about […]

What are the gateway drugs and why are they called as such? A gateway drug is a term that is commonly used in reference to particular substances that are thought to open the way to using more dangerous or harder drugs such as heroin or cocaine. What does gateway drug mean? The definition of a […]

What are core drill bits? Core drill bits are designed to cut large holes in dense materials, like masonry, brick and stone, and remove a core of debris. They feature large notched teeth that cut cleanly and precisely. What is a coring bit used for? A core bit (Fig. 1, Fig. 2) is a drilling […]

Why is my car making a whining noise when I drive? If you hear a whining noise from your car’s engine, it may mean much the same thing: there’s a component that’s worn out. If these parts break or wear down entirely, they could cause damage, so hearing a whining sound means that it’s time […]