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Mekhanik [1.2K]
3 years ago
10

Magnetic poles that are unlike

Physics
1 answer:
vfiekz [6]3 years ago
7 0
A. attract each other.
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A person eats a container of strawberry yogurt. The Nutritional Facts label states that it contains 255 Calories (1 Calorie = 41
Sever21 [200]

Answer:

mass = 0.44 Kg

Explanation:

given,                                                            

Calories contain in the strawberry yogurt = 255 calories

1 Calorie = 4186 J                                      

latent heat of vaporization = 2.42 x 10⁶ J/Kg

mass of perspiration = ?                      

Energy = 255 calories                      

Energy = 255 x 4186                            

            = 1067430 J                                    

Energy = mass x latent heat of vaporization

mass = \dfrac{Q}{L_v}

mass = \dfrac{1067430}{2.42 \times 10^6}

mass = 0.44 Kg                                                  

4 0
4 years ago
The time T in seconds for a pendulum of length L feet to make one swing is given by Upper T=2\pi \sqrt((L)/(36)). How long is a
Andreyy89

Answer:

3.6ft

Explanation:

Using= 2*π*sqrt(L/32)

To solve for L, first move 2*n over:

T/(2*π) = sqrt(L/32)

Next,eliminate the square root by squaring both sides

(T/(2*π))2 = L/32

or

T2/(4π2) = L/32

Lastly, multiply both sides by 32 to yield:

32T2/(4π2) = L

and simplify:

8T²/π²= L

Hence, L(T) = 8T²/π²

But T = 2.1

Pi= 3.14

8(2.1)²/3.14²

35.28/9.85

= 3.6feet

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