2 years ago

Which of these rotational quantities is analogous to mass in a linear system?

Physics

1 answer:

Rom4ik [11]2 years ago

5 0

Answer:

Explanation:

i think it is rotational inertia

because analogue of mass in rotational motion is moment of inertia. It plays the same role as mass plays in transnational motion.

hope it's right & helps !!!!!!!!!

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David runs 100 m in a time of 9.80 s. Calculate his average speed. State the unit.

fiasKO [112]

Answer:

His average speed is 980 units

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3 years ago

If a person weighs 818 N on earth and 5320 N on the surface of a nearby planet, what is the acceleration due to gravity on that

alexandr402 [8]

Answer:

$g'=63.74\ m/s^2$

Explanation:

It is given that,

Weight of the person on Earth, W = 818 N

Weight of a person is given by the following formula as :

$W=mg$

g is the acceleration due to gravity on earth

$m=\dfrac{W}{g}$

$m=\dfrac{818\ N}{9.8\ m/s^2}$

m = 83.46 kg

The mass of an object is same everywhere. It does not depend on the location.

Let W' is the weight of the person on the surface of a nearby planet, W' = 5320 N

g' is the acceleration due to gravity on that planet. So,

$g'=\dfrac{W'}{m}$

$g'=\dfrac{5320\ N}{83.46\ kg}$

$g'=63.74\ m/s^2$

So, the acceleration due to gravity on that planet is $63.74\ m/s^2$ . Hence, this is the required solution.

6 0

3 years ago

Which feature of a longitudinal wave corresponds to a trough in a transverse wave?

Rama09 [41]

It’s the crest, the crest is the top part of the wave and the trough is the bottom so they correspond

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3 years ago

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Which of the following must be true for “P if and only if Q” to be true?

erastovalidia [21]

Explain or message me what your trying to ask!

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3 years ago

Objects 1 and 2 attract each other with a gravitational force of 45 units. If the mass of Object 1 is doubled, then the new grav

Novosadov [1.4K]

Explanation:

Fgravity = G*(mass1*mass2)/D²

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due to the commutative property of multiplication

Fgravitynew = 2* G*(mass1*mass2)/D² = 2* Fgravity

so, the correct answer will be 2×45 = 90 units.

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2 years ago

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