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Keith_Richards [23]
3 years ago
11

Is friction and pushing similar ????

Physics
2 answers:
Musya8 [376]3 years ago
5 0

Answer:

No.

Explanation:

Pushing is the act of moving an object "forward" or towards the desired location.

Friction generally occurs when two surfaces (in this case, the ground and the object you are pushing) rub against each other. Gravity & the heaviness of the object will act as the counter to the force applied to push the object. Friction is the object trying to stay still, while pushing is trying to move the object.

~

olya-2409 [2.1K]3 years ago
3 0

Answer:

Yes, they are.

Explanation:

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5.5 s

Explanation:

The time it takes for the ball to reach its maximum height can be calculated using

v_y = v_{0y} - gt \Rightarrow t = \dfrac{v_{0y}}{g}

since v_y = 0 at the top of its trajectory. Plugging in the numbers,

t = \dfrac{(54\:\text{m/s})}{(9.8\:\text{m/s}^2)} = 5.5\:\text{s}

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The kinetic theory states that the particles in matter are always in?
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3 years ago
Plate tectonics is the scientific theory explaining the movement of the earths crust. The movement of these tectonic plates is l
zzz [600]

Answer:

Continental drift theory describes the long term effect of plate tectonics.

Explanation:

The long term result of plate tectonic movement is the continental drift. The continents of Earth lay on tectonic plates, that are in motion and interaction via plate tectonics. The drift of the Earths continent is an ongoing process evident in the rift valleys and seafloor spreading zones.

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A "biconvex" lens is one in which both surfaces of the lens bulge outwards. Suppose you had a biconvex lens with radii of curvat
Stolb23 [73]

Answer: f=150cm in water and f=60cm in air.

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\frac{1}{f} = 0.2(\frac{1}{30})

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For air (nair = 1):

\frac{1}{f} = (1.5 - 1)(\frac{1}{10} - \frac{1}{15})

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In water, the focal length of the lens is f = 150cm.

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5 0
3 years ago
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The howler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 8.9 km. Assume the
Airida [17]

Answer:

\frac{I}{I_0}=113.68

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Ratio of the acoustic intensity produced by the juvenile howler to the reference intensity is 113.68

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3 years ago
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