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AnnZ [28]
3 years ago
6

What precautions should be taken on board a vessel during a lightning storm?

Physics
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer:

When huge amount of electrical discharge occurs from the atmosphere, a lightning storm is said to occur.

Following precautions must be taken if one is on board a vessel during a lightning storm:

  • During a lightning storm, all the plugs should be disconnected and electrical appliances must be switched off.
  • One should remain inside the cabin and not move outside because the charges remain on the surface of a conductor.
  • The movement should be avoided. It would be best to lay straight down.

dusya [7]3 years ago
7 0

<span>The precautions which should be taken on board a vessel during a lightning storm are:</span>

<span>(i)  </span>All electrical equipments should be unplugged.

<span>(ii) </span>Keep yourself away from all metal parts such as engines, metal tanks, stoves etc.

<span>(iii) </span><span>Stay inside the boat. </span>

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The  initial velocity of the ball is 55.125 m/s.

<h3>Initial velocity of the ball</h3>

The initial velocity of the ball is calculated as follows;

During upward motion

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During downward motion

h = vi + ¹/₂gt²

h = 0 + 0.5(9.8)(1.5)²

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solve (1) and (2) together, to determine the initial velocity of the ball

11.025 = vi - 44.1

vi = 11.025 + 44.1

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We could use the following suvat equation:

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