If the frequency of the motion of a simple harmonic oscillator is doubled, by what factor does the maximum speed of the oscillat
1 answer:
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Answer:
The speed is
Explanation:
Electric field magnitude (E) and electric force magnitude (F) are related by the equation
with q the charge of the proton (). Because between parallel plates electric field is almost constant, electric force is constant too:
because electric force is constant, then by Newton's second law acceleration (a) is constant too, it is:
with m the mass of the proton ():
Now with this constant acceleration we can use the kinematic equation
with v the final speed, the initial velocity that is zero (because proton starts at rest) and d is the distance between the plates, so:
Answer:
Atomic mass
Explanation:
The weighted average of the masses of the various isotopes of an element makes the atomic mass. This is why most atomic mass values usually have decimals.
In order to calculate the atomic mass of an element using the weighted average masses, we use the expression below:
Atomic mass = ∑
Where is the mass of isotope i
is the abundance of isotope i
The abundance or geonormal abundance is the proportion by which each of the isotope occurs in nature.
Answer:
Explanation:
Given,
Magnetic field, B = 5 x 10⁻⁵ T
Number of turns, N = 450
length = 29 cm
Current,I = ?
Using formula of magnetic field due to solenoid
Hence, the current obtained is equal to 0.0256 A.