G a small metal sphere, carrying a net charge is held stationary. what is the speed are 0.4 m apart
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Ответ:
The final speed of small metal sphere is 12.6 m/s.
Explanation:
Given that,
Distance = 0.4 m
Suppose, A small metal sphere, carrying a net charge q₁ = −2μC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q₂ = −8μC and mass 1.50g, is projected toward q₁. When the two spheres are 0.800m apart, q₂ is moving toward q₁ with speed 20m/s.
We need to calculate the final speed of small metal sphere
Using conservation of energy
Put the value into the formula
Hence, The final speed of small metal sphere is 12.6 m/s.
Ответ:
The correct answer is actually D, to anticipate the reader's concerns and help alleviate them.
Explanation: I just tested on the exact same question and got 100%
It's 100% CORRECT!!!