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4. Thunderstorms are caused by warm and cold air colliding and making a large cloud which is positively charged near the top of the cloud, but negatively charged near the bottom of the cloud. (a) What charge is the surface of the ground? Explain how you know. (b) The thunderclouds are 15,000 meters high off the ground and if there’s a tall tree, 70 meters tall, how much voltage does a single lightning bolt containing 6.25 x 1019 electrons have as it strikes the tree?

4 Thunderstorms are caused by warm and cold air colliding and making a large cloud which is positively charged near the top of the cloud but negatively charged class=

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Generally,

Thunderstorms are caused by warm and cold air colliding and making a large cloud that is positively charged near the top of the cloud but negatively charged near the bottom of the cloud. the charge on the surface of the ground will be positive.

To calculate voltage --- By measuring the length of a lightning strike, multiplying it by the energy per length required.

[tex]\begin{gathered} V=(15000-70)\times(6.25\times10^{19}) \\ \\ V=93,312.5\times10^{19} \\ \\ V=9.33125\times10^{23} \end{gathered}[/tex]

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