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Rainbow [258]
3 years ago
12

PLS HELP!!

Physics
1 answer:
Alenkasestr [34]3 years ago
7 0

Answer:

As an object falls from rest, its gravitational potential energy is converted to kinetic energy.

Explanation:

It converts to kinetic energy because it is moving

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A. I just took a quiz on it and A was my answer
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A student thinks that any real vibration must be damped. Is the student correct? If so, give convincing reasoning. If not, give
Stels [109]

Answer:

Yes the student is correct

Explanation:

The first law of thermodynamics states that energy can neither be created nor destroyed

The second law of thermodynamics states that the entropy (disorderliness) of an isolated system always increases

Therefore, whereby energy is not supplied to maintain the orderly oscillatory motion with constant amplitude, the amplitude of the system is bound to reduce with time that is the vibration of the system must be damped

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3 years ago
An experiment is performed in the lab, where the mass and the volume of an object are measured to determine its density. Two com
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Answer:

d. the same within the uncertainty of each measurement method

Explanation:

The density of an object and in general any physical property, has the same value regardless of the method used to measure it, either directly or indirectly. Since two completely different valid methods are used, the results must be the same, taking into account the level of precision of each of the methods.

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3 years ago
A 60 kilogram astronaut weighs 96 newtons on the surface of the moon. calculate the acceleration due to gravity on the moon.
34kurt
Given: Mass m = 60 Kg

           Weight  W = 96 N

Required: Acceleration due to gravity, g = ?

Formula:  W = mg

                g = W/g

                g = 96 Kg.m/s²/60 Kg   (note: this is the derive unit for Newton "N")

                g = 1.6 m/s²

6 0
3 years ago
Read 2 more answers
If the distance between the levers input force and the fulcrum is 8 cm, and the distance between the fulcrum and the output forc
ololo11 [35]

Answer:

Ideal mechanical advantage of the lever is 3.

Explanation:

Given that,

The distance between the levers input force and the fulcrum is 8 cm, d_i=8\ cm

The distance between the fulcrum and the output force is 24 cm, d_o=24\ cm

To find,

The ideal mechanical advantage of the lever.

Solution,

The ratio of the distance between the fulcrum and the output force to the distance between the levers input force and the fulcrum is called the ideal mechanical advantage of the lever. It is given by :

m=\dfrac{d_o}{d_i}

m=\dfrac{24}{8}

m = 3

So, the ideal mechanical advantage of the lever is 3.

5 0
3 years ago
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