3 years ago

Which energy resource is renewable?

Physics

1 answer:

Alexandra [31]3 years ago

7 0

The answer is B. natural gas

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How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under cle

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Answer:

344.8 x10^-8J/m³

Explanation:

Using=> energy intensity/ speed oflight

= 1000/2.9x10^8

= 344.8 x10^-8J/m³

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3 years ago

A high school student ran the 100 meter dash in 12.20 seconds. What was the students. Velocity

sineoko [7]

The student's average speed for the dash was 8.2 m/s. It's not possible to completely describe the student's velocity, because there's no information to tell us what direction she ran.

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4 years ago

For a certain ideal Carnot engine, the hot reservoir is 35°C higher than the cold reservoir. If this engine is to have an effici

lord [1]

Answer:

Temperature of the hot reservoir is 1540K

Explanation:

$E= 1- \frac{T_{c}}[tex]{T_h}=308+{T_c}\\Efficiency of a carnot engine is given by the aboveTc=temperature of the cold reservoirTh= temperature of the hot reservoirK=273+ 35 (convert 35°C to kelvin)K=308k{T_h}={T_c}+308-----------------------(equation 1)20%=1-{T_c}/{T_h}$

0.2=({T_c}+308-{T_c})/{T_c}+308

.2({T_c}+61.6=308

0.2{T_c}=246.4

{T_c}=1232

recall from equation 1

{T_h}=308+1232

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3 years ago

In 1.0 second, a battery charger moves 0.50 C of charge from the negative terminal to the positive terminal of a 1.5 V AA batter

shtirl [24]

Answer:

W = Q * V work done on charge Q

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B. P = W / t = .75 J / 1 sec = .75 Watts

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3 years ago

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vovangra [49]

AB blood would lead to an ABO incompatibility reaction. Hope it helped! (Asked a friend for you to know :D)

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3 years ago