2 years ago

Definition: This law states that, in any process, energy is neither created nor destroyed. It can only be

Physics

1 answer:

Alika [10]2 years ago

5 0

law of conservation of energy

aka the first law of thermodynamics

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jenny's model train is set up on a circular track. There are six telephone poles evenly spaced around the track. It takes the en

d1i1m1o1n [39]

Answer:

T = 60 s

Explanation:

There are 6 poles on the track which are equally spaced

so the angular separation between the poles is given as

$\theta = \frac{2\pi}{6}$

$\theta = \frac{\pi}{3}$

so the angular speed of the train is given as

$\omega = \frac{\theta}{t}$

$\omega = \frac{\pi}{30} rad/s$

now we have time period of the train given as

$T = \frac{2\pi}{\omega}$

$T = \frac{2\pi}{\frac{\pi}{30}}$

$T = 60 s$

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3 years ago

if the pressure on a gas increases, the volume of the gas also increases is that statement true or false?

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False, according to Boyle's law it's pressure increases, volume decreases

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2 years ago

What two major uses does this (H-R)diagram have for astronomers?

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2 years ago

What is the source of Earth’s magnetic field?

zhuklara [117]

Answer and Explanation:

The main source of earth magnetic field is the metals and iron present in earth crust these metals are mainly found in liquid state in earth crust and we know that whenever there is spinning of these liquid metals then there will magnetic field generate, So the main source of earth magnetic field is the metals present in earth crust.

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The velocity of a bob on a simple pendulum at the lowest position is 10.56 m/s. What is the maximum vertical height it is able t

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um I do not know sorry

Explanation:

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