Category: Physics

What are the two basic types of speedometer? There are two types of speedometers: electronic and mechanical. Because the electronic speedometer is actually a relatively new invention — the first all-electronic speedometer didn’t appear until 1993 — this article will focus primarily on the mechanical speedometer, or the eddy-current speedometer. What do numbers symbolize on […]

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? […]

How fast are laser beams in mph? Move your wrist very quickly, and the point of laser light may easily travel 50 feet in half a second — an equivalent speed of 68 mph (110 km/h). Can I bounce a laser off the moon? For the first time, scientists have successfully bounced a laser off […]

Which of the following statement is correct about the magnetic field lines? Magnetic field lines are continuous curves. It originate from north pole and terminate on south pole. But inside the magnet it moves from south pole to north pole forming a closed loop. So, there is no any origination or termination point like electric […]

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 […]

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 […]

What is the difference between a pelican and a puffin crossing? Puffin. Crossings differ from Pelican crossings, as they do not have a flashing green man/flashing amber signal. This layout encourages pedestrians waiting at the crossing to look at the approaching traffic at the same time as looking at the red man/green man signal. Who […]

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 […]