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2 years ago

13

A little boy mass 10kg is placed at a height of 2cm above the ground,what is the potential energy of the boy with reference to t

he ground if g=10m stroch 5/2

1 answer:

marin [14]2 years ago

3 0

Potential gravitational energy:

mgh

10kg • 10m/s^2 • 0.02 =

2 Joules

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The circumference of wheel is 6.28 feet.

Step-by-step explanation:

Given,

Area of prize wheel = 3.14 square feet

Area = πr²

$3.14 = 3.14(r)^2$

Dividing both sides by 3.14

$\frac{3.14}{3.14} = \frac{3.14(r)^2}{3.14}\\1=r^2\\r^2=1\\r=1$

Circumference = 2πr

Circumference of prize wheel = $2*3.14*1\\$

Circumference of prize wheel = 6.28 feet

The circumference of wheel is 6.28 feet.

Keywords: area, circumference

Learn more about circumference at:

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