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3 years ago

Why is the specific heat of water important to our planet?

2 answers:

4 0

Specific Heat is a property of water. If we didn't have it, our oceans would evaporate and dry up. Smaller bodies of water (lakes, ponds, rivers, streams, etc.) evaporate because they don't need as much energy to convert into water vapor. Bigger bodies of water (oceans, seas, etc) need more energy to evaporate than lakes, rivers, and etc.

katen-ka-za [31]3 years ago

3 0

Because heat keeps us warm and water hydrates the planet i guess?????
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What is the mathematical relationship between current, resistance, and voltage?

vlada-n [284]

Answer:

q=IR

Explanation:

q is voltage

I is current

R is resistance

6 0

3 years ago

Please help and show workings. <br>

Mnenie [13.5K]

Effective resistance = 2+1.5 = 3.5 ohms

Current in the circuit = 1.2 A

Lost volts in the battery = 1.8V

Current in one of the 3 ohms resistors = 0.6 A

I hope it helps

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3 years ago

a car moving with a speed of 10 metre per second is accelerator at the rate of 2 metre per second square find its velocity after

STatiana [176]

a = ( v(2) - v(1) ) ÷ ( t(2) - t(1) )

2 = ( v(2) - 10 ) ÷ ( 6 - 0 )

2 × 6 = v(2) - 10

v(2) = 12 + 10

v(2) = 22 m/s

7 0

3 years ago

According to the big bang theory, matter clumped into stars because of ______

Alja [10]

Your answer is Because of gravity

8 0

4 years ago

Light with a single wavelength falls on two slits separated by 0.510 mm. In the resulting interference pattern on a screen 2.24

scZoUnD [109]

Answer: 655.7 nm

Explanation:

Given

The slits are separated by $d=0.510\ mm$

Distance between slits and screen is $D=2.24\ m$

Adjacent bright fringes are $\beta =2.88\ mm$ apart

Also, the distance between bright fringes is given by

$\Rightarrow \beta =\dfrac{\lambda D}{d}\quad [\lambda=\text{Wavelength of light}]\\\\\text{Insert the values}\\\\\Rightarrow 2.88\times 10^{-3}=\dfrac{\lambda \cdot 2.24}{0.510\times 10^{-3}}\\\\\Rightarrow \lambda =\dfrac{2.88\times 10^{-3}\times 0.510\times 10^{-3}}{2.24}\\\\\Rightarrow \lambda =0.6557\times 10^{-6}\ m\\\Rightarrow \lambda =655.7\ nm$

7 0

3 years ago