Answer:
15.8 km/s.
The fastest speed achieved on Earth for any object, with the exception of sub- atomic particles in particle accelerators, is 15.8 km/s. A device at Sandia Laboratories in Albuquerque, New Mexico, uses highly compressed air to accelerate a small metal disk to supersonic speeds. can you give me brainliest
Explanation:
16 miles per hour? I dont really understand your question
Answer:
The answer is: 1/4 to 1/5 that of stainless steel (.25 to .20)
Explanation:
The modulus of elasticity, also known as Young´s Modulus is a physical quantity that measures the ability of a material to deform elastically when a stress is applied on it.
This number comes from a laboratory tension test where a material probe of certain known geometry is pulled until it deforms and finally breaks, and its formula is:
Stress is the force per unit area of the probe and strain is the change in elongation occurred during deformation. It can be deducted from the formula that for a same value in stress, an increasing value of strain will yield a lower value of the modulus of elasticity. This means that for the same value of stress, the more the material elongates the more flexible it is and the less modulus of elasticity it has. Having a high modulus of elasticity will make the material stiffer.
Knowing that Nickel-titanium alloy (Nitinol) is more flexible than Stainless Steel and using what we know now about Modulus of elasticity we can easily deduct that Nitinol´s modulus of elasticity is lower than that of stainless steel.
For reference:
Nitinol´s Young Modulus ranges from 28GPa to 41 GPa when it has martensite internal structure and it´s approximately 83GPa when it is austenitic. Compared to Stainless Steel which has a Young Modulus of approximately 190GPa in both martensitic and austenitic forms. (This quantities are for reference only, Young modulus, especially in Nitinol, changes considerably with temperature)
Answer:
A: Always points from north to south, whether we look outside the magnet or inside the magnet
Explanation:
When we freely suspend a bar magnet, it's magnetic field will always rest in the north to south direction due to the fact that the Earth's magnetic south pole usually lies in the direction of the geographic north while the Earth's magnetic north pole usually lies in the direction of the geographic south.
Now, we all know that in magnets, like poles will repel and unlike poles will attract. What this now means is that the magnet will always point from the north to the south direction.
There are only two times of the year when the Earth's axis is tilted neither toward nor away from the sun, resulting in a equal amount of daylight and darkness at all latitudes. These events are referred to as Equinoxes.The word equinox is derived from two Latin words - aequus (equal) and nox (night). At the equator, the sun is directly overhead at noon on these two equinoxes. How do the climatological temperature patterns follow the four seasons? The temperatures are pretty much the same when comparing early winter to late winter and pretty much the same when comparing early summer to late summer. However, late Fall is much colder than early Fall and late Spring is much warmer than early Spring. Why is that? The reason is linked to the changing of the solar sun angle during each season. In the Fall, the sun angle is always getting lower and in the Spring it is always getting higher. From this it would make sense that late Fall is much colder than early Fall and late Spring is much warmer than early Spring. In the winter, the sun angle is INCREASING and in the summer the sun angle is DECREASING. This fact causes temperatures to be pretty much the same when comparing early winter to late winter and pretty much the same when comparing early summer to late summer. The cumulative cooling of the ground and ocean is partially offset by an increasing sun angle in the winter and the cumulative warming of the ground and ocean is partially offset by a decreasing sun angle in the summer. This causes the Spring and Fall seasons to seem much quicker in duration than the Summer and Winter seasons.
<h2><u>I know this is long... but does this help??</u></h2>
