Homework 3

# Homework 3 - lim(kl9356 Homework 3 Weathers(22202 This...

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lim (kl9356) – Homework 3 – Weathers – (22202) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A particle of mass 6 . 6 × 10 5 g and charge 42 mC moves in a region of space where the electric field is uniform and is 6 . 7 N / C in the x direction and zero in the y and z direction. If the initial velocity of the particle is given by v y = 6 . 8 × 10 5 m / s, v x = v z = 0, what is the speed of the particle at 0 . 4 s? Answer in units of m / s. 002 10.0 points An electron moves at 2 . 1 × 10 6 m / s into a uniform electric field of magnitude 1551 N / C. The charge on an electron is 1 . 60218 × 10 19 C and the mass of an electron is 9 . 10939 × 10 31 kg . The field is parallel to the electron’s velocity and acts to decelerate the electron. How far does the electron travel before it is brought to rest? Answer in units of cm. 003 10.0 points A (7 . 6 m by 7 . 6 m) square base pyramid with height of 3 . 85 m is placed in a vertical electric

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