Author Question: A particle (mass = 4.0 g, charge = 80 mC) moves in a region of space where the electric field is ... (Read 167 times)

MGLQZ · **on:** Aug 6, 2020

Question 1

A particle (m = 50 g, q = 5.0 μC) is released from rest when it is 50 cm from a second particle (Q = −20 μC). Determine the magnitude of the initial acceleration of the 50-g particle.

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54 m/s²

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90 m/s²

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72 m/s²

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65 m/s²

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36 m/s²

Question 2

A particle (mass = 4.0 g, charge = 80 mC) moves in a region of space where the electric field is uniform and is given by E_x = −2.5 N/C, E_y = E_z = 0. If the velocity of the particle at t = 0 is given by v_x = 80 m/s, v_y = v_z = 0, what is the speed of the particle at t = 2.0 s?

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40 m/s

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20 m/s

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60 m/s

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80 m/s

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180 m/s

jomama · **Reply #1 on:** Aug 6, 2020

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