Category: Physics

What causes persistence of vision? Persistence of vision works because the human eye and brain can only process 10 to 12 separate images per second, retaining an image for up to a fifteenth of a second. If a subsequent image replaces it in this period of time it will create the illusion of continuity. Where […]

How do you write 78000 in scientific notation? To write 78,000 in scientific notation: 70, 000 = 7×10. 7.8×104 (Note that 78,000 is a whole number, so we dropped the zeros) How do you write 0.002 in scientific notation? Therefore, the decimal number 0.002 written in scientific notation is 2 × 10-3 and it has […]

What is Lambda fuel ratio? Lambda represents the ratio of the amount of oxygen actually present in a combustion chamber compared to the amount that should have been present in order to obtain “perfect” combustion. Thus a lean air/fuel ratio of, say, 16:1 would translate to a lambda value of 1.088. (To calculate, divide 16 […]

Can voltage drop be greater than source? The source voltage is only 10 Volts, but the individual voltage drop across resistor and inductor are 6 Volts and 8 Volts respectively, which is greater than the source voltage. … Can voltage be higher than source? You can have a circuit where a component can have a […]

What is the horizontal velocity of a projectile? The horizontal velocity of a projectile is constant (a never changing in value), There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a projectile is independent […]

How do you find your missing height? To find the missing base, you simply divided the area by the given height. This will work the same way if you are looking for the height. To find the missing height, divide the area by the given base. How do you find the height in a triangle? […]

What is screw jack principle? A screw jack is an example of a power screw in which a small force applied in a horizontal plane is used to raise or lower a large load. The principle on which it works is similar to that of an inclined plane. The mechanical advantage of a screw jack […]

Does the bends go away? While very minor symptoms of DCS may go away with just rest and over the counter pain medications, it is thought that treatment with recompression and oxygen is ideal to prevent any possible long term effects from the injury. What happens if you fly after diving? Flying after diving is […]

How do I make my bestie miss me? Understand the squabbles and disputes among groups of young people are common. Stop talking so much when you are with your friends. Don’t be too touchy-feely. Don’t appear uninvited. Keep yourself busy. Don’t be the one to start the chat in social networking sites. Disappear now and […]

Does Walmart sell moon pies? Moon Pie Single Decker Chocolate Marshmallow Sandwiches, 2 Oz., 6 Count – Walmart.com – Walmart.com. Can you still buy Moon Pies? When you have a craving for a MoonPie, you want it now. If you can’t find your favorite MoonPie variety, you can always order a factory-fresh supply online. Do […]