Answer:
here on the surface of moon the gravity decreases so the frequency of oscillation will also decrease
Explanation:
As we know that frequency of oscillation of the simple pendulum is given as
here we know
g = acceleration due to gravity at the surface of the planet
L = length of the pendulum
Now we know that the pendulum is on the surface of earth then gravity is given as
now when same pendulum is taken to the surface of the moon then we have
so here on the surface of moon the gravity decreases so the frequency of oscillation will also decrease
Answer:
At twice the distance, the strength of the field is e/4
Explanation:
F = the strength of an electric field.
F is inversely proportional to the squared distance from the point charge.
mathematically,
F = k(e/d²)
hence, if d is doubled,keeping other forms constant
F = e/4,
In order to operate the theremin, a conducting object must be moved within the electric fields produced by the instrument
Answer:
After 1023.4 years the mass of the substance will be 30 g.
Explanation:
Hi there!
Let´s write the function (according to what I found on the web):
We have to find the time "t1" at which the mass of the substance is 30 g. Mathematically:
m(t1) = 30
Then:
Let´s solve the equation for t1. First, divide by 100 both sides of the equation:
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Apply ln to both sides of the equation:
Use the logarithm property: ln (aᵇ) = b ln(a)
ln(0.3) = -t/850 · ln (e) (ln (e) = 1)
ln(0.3) = -t/850
850 ln(0.3) = -t
t = -850 ln(0.3)
t = 1023.4
After 1023.4 years the mass of the substance will be 30 g.
Thermal potential energy is converted into electric energy.