3 years ago

Why steel is more elastic than rubble

1 answer:

3 0

Steel is more elastic than rubber because steel comes back to its original shape faster than rubber when the deforming forces are removed, hope it helps :)

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Smialarities between kinetic friction and static friction?

kiruha [24]

Kinetic and static friction are both resistive forces

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3 years ago

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A planet has a period of revolution about the Sun equal to and a mean distance from the Sun equal to R .T^2 varies directly as _

shutvik [7]

T² caries directly as R³ .

This is Kepler's 3rd law of planetary motion .

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3 years ago

A skater slides across the ice with an initial velocity of 5.0 m/s. She slows 10 points

zvonat [6]

Explanation:

Given that,

The initial velocity of a skater is, u = 5 m/s

She slows to a velocity of 2 m/s over a distance of 20 m.

We can find the acceleration of skater. It is equal to the rate of change of velocity. So, it can be calculated using third equation of motion as follows :

$v^2-u^2=2as$