3 years ago

All life on earth exists in a region known as

1 answer:

7 0

Hello There!

All life on Earth exists in a region called the biosphere.

The biosphere is known as the global sum of all ecosystems. It's called the "zone of life"

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LUCKY_DIMON [66]

The Mechanical Energy is given by the sum of the all energies of the system.

$E_m=E_c+E_p \\ E_m=5.2+3.5 \\ \boxed {E_m=8.7~J}$

4 0

3 years ago

mestny [16]

That could be an electromagnet,
and it could also be an solenoid.

4 0

3 years ago

Alexxx [7]

It is b i had that qustion

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3 years ago

zzz [600]

Natural was thought to be straight up or straight down and violent was thought to be the result of a push or pull

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3 years ago

Diano4ka-milaya [45]

<u>Answer:</u>

Option (a)

<u>Explanation :</u>

A stage hand starts sliding a large piece of stage scenery originally at rest by pulling it horizontally with a force of 176 N.

Hence Force applied $\text { Fapplied }=176 \mathrm{N}$

Force on piece of scenery $\mathrm{F}_{\mathrm{g}}=490 \mathrm{N}$

$\Sigma \mathrm{F} \mathrm{y}=\mathrm{F} \mathrm{n}-\mathrm{Fg}=0$

$\mathrm{Fn}=\mathrm{Fg}$

$\mathrm{FS}_{\mathrm{max}}=\mathrm{F}_{\mathrm{applied}}$

µk = $\frac{\mathrm{Fs} \max }{\mathrm{Fn}}$

= $\frac{\text { Fapplied }}{\mathrm{Fg}}$

= $\frac{176}{490}$ =0.36

coefficient of static friction is 0.36

6 0

4 years ago