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elixir [45]
3 years ago
10

Calculate the potential energy of a five KG object sitting at the top of a 2 m ramp

Physics
1 answer:
docker41 [41]3 years ago
5 0
5 x 10 x 200 = 10000
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One particle has a charge of 2.15 x 10^ -9 while another particle has a charge of 3.22 x 10^ -9 If the two particles are separat
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B. 2.77 x 10^{-4} N

Explanation:

The required force can be calculated by:

F = \frac{Kq_{1}q_{2}  }{d^{2} }

Where F is the force between the particles, K is the coulomb's constant (9 x 10^{9} Nm^{2}/C^{2}), q_{1} is the charge on the first particle, q_{2} is the charge on the second particle and d^{2} is the distance between the particles.

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F = \frac{9*10^{9}*2.15*10^{-9} *3.22*10^{-9}  }{(0.015)^{2} }

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  = 2.7692 x 10^{-4}

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2 years ago
Most of the energy on Earth comes from which of the following?
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