Category: Physics

How many nautical miles can a country claim? 12 nautical miles What is the 200 nautical mile limit? An exclusive economic zone extends from the baseline to a maximum of 200 nautical miles (370.4 km; 230.2 mi), thus it includes the contiguous zone. A coastal nation has control of all economic resources within its exclusive […]

What is the main source of campaign funds? Contributions are the most common source of campaign support. A contribution is anything of value given, loaned or advanced to influence a federal election. What is difference between hard money and soft money quizlet? what is the difference between hard and soft money? soft money: campaign money […]

Where is the most heat loss in a house? The biggest area for heat loss in most homes are drafts within in the walls, windows and doors. It’s typical for these spots to be less noticeable than you’d think they would be. Just a single 1/8 inch gap under a standard 36-inch wide door will […]

Why does sugar dissolve easily in water? Sugar dissolves in water because energy is given off when the slightly polar sucrose molecules form intermolecular bonds with the polar water molecules. The weak bonds that form between the solute and the solvent compensate for the energy needed to disrupt the structure of both the pure solute […]

What is mean by apparent movement of sun? The apparent motion of the sun, caused by the rotation of the Earth about its axis, changes the angle at which the direct component of light will strike the Earth. From a fixed location on Earth, the sun appears to move throughout the sky. What causes apparent […]

How did Robert Wilson discover microwaves? The Large Horn Antenna and the Discovery of Cosmic Microwave Background Radiation. Bell Labs radio astronomers Arno Penzias and Robert Wilson were using a large horn antenna in 1964 and 1965 to map signals from the Milky Way, when they serendipitously discovered the CMB. What were Penzias and Wilson […]

What happens when you touch another paper clip with your magnetized paper clip? When a magnet touches another magnetic object (such as a paperclip), the object becomes a temporary magnet for as long as it is touching the real magnet! It can now be used to pick up more paperclips. Each additional paperclip also becomes […]

Which has higher tides spring or neap? Spring tides have higher high tides and lower low tides whereas neap tides have lower high tides and higher low tides. Hence, the range (difference in water level between high and low tide) is much larger in a spring tide than in a low tide. Why are there […]

How does the work is done in an object? When a force acts on an object over a distance, it is said to have done work on the object. Physically, the work done on an object is the change in kinetic energy that that object experiences. What is work and power? Work done is generally […]

Does the UK use inches? Britain is officially metric, in line with the rest of Europe. However, imperial measures are still in use, especially for road distances, which are measured in miles. Imperial pints and gallons are 20 per cent larger than US measures. Do they use pounds for weight in UK? Avoirdupois weight The […]