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zysi [14]
3 years ago
15

Why are there so few working wave power stations?

Physics
2 answers:
Salsk061 [2.6K]3 years ago
5 0
If you live near a sea or ocean, You Would be getting power. <span>Because the waves are from large bodies of water (sea, ocean ...)</span>
Bond [772]3 years ago
3 0
Well mostly because it's for oceans and lakes that have waves. so if you don't live near any of these, you wouldn't be getting power. <span />
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The ratio of the focal length of a lens to it's diameter is the​
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Answer:

The f-ratio describes the relationship between the lens diameter and the focal length and is calculated by dividing the focal length by the diameter of the lens. For example, if a lens were to have a focal length of 50mm and a diameter of 10mm, then the f-ratio would be 50mm/10mm=5 or otherwise referred to as f5.

Explanation:

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2 years ago
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Why does a plastic comb attract small bits of paper after rubbing with wool?
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Static electricity. Like the balloon against hair
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3 years ago
Four point charges have equal magnitudes. Three are positive, and one is negative, as the drawing shows. They are fixed in place
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Answer:

Ans= 9

See attached picture for clearer solution.

Explanation:

The net electrostatic force acting on charge A = 2/ 2 + 2 /(2) 2 − 2 /(3) 2 = 2 / 2 (1 + 1/4 – 1/9 ) = 41/36 2/2 .  

The net electrostatic force acting on charge B = 2/2 + 2/(2)2 − 2/2 = 1/4 2/d2 .  

The net electrostatic force acting on charge C = 2/2 + 2/(2)2 + 2/2 = 2/2 (1 + 1 4 + 1) = 9/4 2/2 .  

The net electrostatic force acting on charge D = 2/2+ 2 /(2)2 + 2/(3)2 = 2 /2 (1 + 1/4 + 1/9 ) = 49/36 2/ 2 .  

The ratio of the largest to the smallest net force = 9/4*2/2  /  1/4 2/2 . = 9

5 0
3 years ago
19. Find the recoil velocity of a 65 kg ice hockey goalie who
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Answer:

c. 0.12 m/s

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v_2=\frac{0.15\times 50}{0.15+65}=0.12

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Within an integrated circuit, each wafer is cut into sections, which
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The final answer is B hope its helps
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