Physics, 09.11.2019 01:31 emj70

Which best compares a brush and a commutator in an electric motor?

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Physics, 22.06.2019 02:00, apalacios3503

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

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Physics, 22.06.2019 10:00, blackjack73

The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.

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Physics, 22.06.2019 19:00, freddhendrickss

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

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Physics, 23.06.2019 02:30, cassidyschmuzler

Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.