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Marta_Voda [28]

4 years ago

7

What is one reason supporting genetic modifications to food

1 answer:

gtnhenbr [62]4 years ago

4 0

Health and safety are two reasons

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A coin completes 18 spins in 12 seconds. The centripetal acceleration of the edge of the coin is 2.2 m/s2. The radius of the coi

nlexa [21]

In order to find the radius of the coin, we need to use:

Ac = V^2 r

In which,
Ac = acceleration of the coin = 2.2 m/s^2
V= rotational Speed = (18/12) * 2πr
r= Radius

so,
<span>2.2 = 9(π^2)(r^2) / r
</span><span>= 9(π^2)r
</span>
<span>r = 2.2 / 9(π^2) = 0.02476740044 m . . .or you can rounded it up to 0.025 m</span>

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3 years ago

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Given that oxygen- 16 and oxygen -18 both have an atomic nmber of 8, how many electrons, protons, and neutrons do these oxygen a

salantis [7]

Hope this helps you.

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3 years ago

A 1000-n weight is hanging from a 2.0 m long aluminum rod. A 500-n weight is hanging from a 1.0 m long aluminum rod. The two alu

Hunter-Best [27]

Answer:

Both rod have the same tensile stress

Explanation:

Given information,

The weight first rod, $W_{1}$ = 1000 N

The length of first rod, $l_{1}$ = 2.0 m

The weight second rod, $W_{2}$ = 500 N

The length of second rod, $l_{2$ = 1.0 m

The equation of tensile stress, σ = $\frac{F}{A}$

where

σ = tensile stress (N/ $m^{2}$ or Pa)

F = Force (N)

A = Area (N/ $m^{2}$ or Pa)

so

σ1 = $\frac{W_{1} }{A_{1} }$ , A = 2πl

= $\frac{1000}{2\pi(2) }$

= $\frac{250}{\pi }$ N/ $m^{2}$

now calculate σ2

σ2 = $\frac{W_{2} }{A_{2} }$

= $\frac{500}{2\pi(1) }$

= $\frac{250}{\pi }$ N/ $m^{2}$

σ1/σ2 = $\frac{250}{\pi }$ / $\frac{250}{\pi }$

σ1/σ2 = 1

σ1 = σ2

Hence, the tensile stress of first and second rod are the same.

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goldenfox [79]

Lamps
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electrical appliances
power outlets

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Electrical shock is more likely to be fatal when the path of current is through the

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Electrical shock is most likely to be fatal when the path of the current is through the heart.

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