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Elina [12.6K]
3 years ago
5

A simple pendulum consists of a point mass, m, attached to the end of a massless string of length L. It is pulled out of its str

aight-down equilibrium position by a small angle theta and released so that it oscillates about the equilibrium position in simple harmonic motion with frequency f. What will happen to the frequency if the mass is doubled?
Physics
1 answer:
natima [27]3 years ago
3 0

Answer:

If the mass is doubled the frequency will be multiplied by 4

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where the characteristics  ?!

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The burning of fossil fuels releases gas into the air, the gas is called?
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Suppose you are driving in a convertible with the top down at constant speed. You point a rifle straight upward and fire it. In
lyudmila [28]

Answer:

(c) in the barrel of the rifle

Explanation:

When we are moving in a convertible with constant speed so as per inertia all the objects are moving with same speed as that the speed of convertible.

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(c) in the barrel of the rifle

4 0
3 years ago
It takes a car one minute to go from rest to 30m/s east. Whqt is the acceleration of this car?
zavuch27 [327]

Answer:

0.5 m/s^{2}

Explanation:

a = \frac{v-u}{t} \\a = \frac{30 m/s}{60 s} \\a = 0.5 m/s^2

5 0
2 years ago
The thermal conductivity of a sheet of rigid, extruded insulation is reported to be k=0.029 W/m.K. The measured temperature diff
klasskru [66]

Answer:

flux=13.92W/m^2

Explanation:

The heat transfer by conduction consists in the transport of energy through particles that are together, that is to say by means of solids, Newton developed an equation that allows to know the heat transported in a flat plate knowing the cross sectional area A, Thickness L, conductivity  K  and a temperature difference between the internal and external surface.

Q=KA(t2-t1)/L

To know the heat flux we simply divide both sides of the equation by the area.

Flux=K(t2-t1)/L

where

K=0.029w/mk

L=25mm=0.025m

t2-t1=12 ° C

solving

Flux=(0.029)(12)/(0.025)

flux=13.92W/m^2

3 0
3 years ago
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