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3 years ago

0.2 kg ball is thrown with velocity of 6m/s, what is its KE

Mathematics

1 answer:

const2013 [10]3 years ago

7 0

Step-by-step explanation:

kinetic energy=1/2mv^2

=1/2×0.2kg×36

=3.6

Please mark it as brainliast

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3 years ago

The volume of a cone is 1540cm³. If its radius is 7cm, calculate the height of the cone. (Take pi = 22/7)

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$h=30$

Step-by-step explanation:

Volume of a cone=1540 $cm^{3}$ , Radius=7cm.

The height of a cone=h

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$1540cm^{3} =\frac{1}{3}\pi r^{2} h$

Put the pi value=22/7 and the value of radius which is 7 cm into the formula.

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Move $\frac{154}{3}$ to another side. 1540 divided by $\frac{154}{3}$ to calculate what is the value of h, h is the height of a cone. Like this.

$\frac{1540cm^{3} }{\frac{154}{3} } =h$

$30=h$

Rearrange the h.

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