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alexdok [17]
3 years ago
14

This glass of lemonade is sitting in the hot summer sun. As time passes, in which direction will heat transfer take place?

Physics
2 answers:
KiRa [710]3 years ago
8 0

Answer:

c

Explanation:

expeople1 [14]3 years ago
8 0

Answer:

the answer to your question is c

Explanation:

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At the outer edge of a rotating space habitat, 130 m from the center, the rotational acceleration is g. What is the rotational a
enyata [817]

Answer:

Explanation:

Given:

R1 = 130 m

R2 = 65 m

w^2R = g

Assume, g = 9.81 m/s^2

w^2 = 9.81/130

w = 0.275 rad/s

At R2 = 65 m

g = w^2R

= (0.275^2) × 65

= 4.905 m/s^2

In conclusion,

g × R = k

g1/R1 = g2/R2

g2 = (g1 × 65)/130

= g1 ×1/2

= g1/2

6 0
3 years ago
To make a given sound seem twice as loud, how should a musician change the intensity of the sound?
Serhud [2]

Answer:

C. Quadruple the intensity

Explanation:

The intensity of the sound is proportional to square of amplitude of the sound.

I ∝ A²

\frac{I_1}{A_1^2} = \frac{I_2}{A_2^2}\\\\I_2 = \frac{I_1A_2^2}{A_1^2}

When the given sound is twice loud as the initial value, then the new amplitude is twice the former.

A₂ = 2A₁

I_2 = \frac{I_1A_2^2}{A_1^2} \\\\I_2 = \frac{I_1(2A_1)^2}{A_1^2} \\\\I_2 = \frac{4I_1A_1^2}{A_1^2}\\\\ I_2 = 4I_1

Thus, to make a given sound seem twice as loud, the musician should Quadruple the intensity

3 0
3 years ago
Two 8.0 Ω lightbulbs are connected in a 12 V parallel circuit. What is the power of both glowing bulbs?
kati45 [8]

Answer:

96w

Explanation:

p=Iv..where v=12 and I=8.0

8 0
3 years ago
What layer is above the troposphere
goldenfox [79]
The stratosphere is the layer above the troposphere 
6 0
3 years ago
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Newton’s first law of motion was a giant leap forward in scientific thought during Newton’s time. Even today, the idea is someti
Vinvika [58]

Answer:

The heavier the load in a cart, the harder the cart is to turn.

5 0
3 years ago
Read 2 more answers
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