Answer:
E) the flow of energy due to a temperature difference.
Explanation:
Heat can be described as the flow of energy due to a temperature difference.
Which is expressed mathematically as;
H = MCΔT
Where;
H is the quantity of heat in a body, measured in Joules
M is the mass of the body, measured in kg
C is the specific heat capacity of the body, J/kg.K
ΔT is change in temperature or temperature difference.
So, heat energy in any system flows from a hotter region to a colder region due to temperature difference.
E) the flow of energy due to a temperature difference.
Given info
d = 0.000250 meters = distance between slits
L = 302 cm = 0.302 meters = distance from slits to screen
= angle to 8th max (note how m = 8 since we're comparing this to the form )
(n = 5 as we're dealing with the 5th minimum )
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Method 1
Make sure your calculator is in degree mode.
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Method 2
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Method 3
There is a slight discrepancy (the first two results were 611 nm while this is roughly 613 nm) which could be a result of rounding error, but I'm not entirely sure.
Answer:
C) The spring constant of each half will be twice the spring constant of the original long spring since it will stretch only half as much under the same tension.
Explanation:
Hooke's law states that the force needed to extend or compress a spring by a distance is proportional to that distance. If is given as:
F = ke, where F is the force applied, k is spring constant and e is the extension.
If a force f is applied to a spring with a spring constant k and by a distance stretched (x) then:
k = F / x
For half the spring, if the same force F is applied, the stretch would be half (x/2), hence the spring constant C is:
C = F / (x/2)
C = 2 (F / x) = 2 * spring constant of original spring