3 years ago

Is grade 10 harder or 9? I passed 9 grade thise year by 89,36 my mark..im scared of high school plis help and some advice ?

1 answer:

4 0

Listen in all of your classes and write down notes on EVERYTHING even if it may not seem important it will be useful in the future! :)

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I think its (A)The specific heat of an object explains how easily it changes temperatures.

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A bus accelerates from 5.75 m/s at a rate of 1.25 m/s/s for 3.50

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10.125 meters?

Explanation:

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3 years ago

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A solid disk of mass 2 kg and radius 2 m is given a horizontal push of 20N at a point .3 m above its center. a. What is the mini

Margaret [11]

Answer:

$\mu_s=1.0205$

Explanation:

Given:

mass of solid disk, $m=2\ kg$

radius of disk, $r=2\ m$

force of push applied to disk, $F=20\ N$

distance of application of force from the center, $s=0.3\ m$

<em>For the condition of no slip the force of static friction must be greater than the applied force so that there is no skidding between the contact surfaces at the contact point.</em>

$\therefore F$

where:

$f_s$ = static frictional force

$\Rightarrow 20$

$\mu_s>1.0204$

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3 years ago