What angle does the force make with the horizontal
Suppose that the same pull is exerted at an angle above the horizontal. If this pull now does 65.0 {rm J} of work on the box while pulling it through the same distance, what angle does the force make with the horizontal?
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What frequency will be heard on the other train if the wind is blowing at 30.9 m/s toward the whistle and away from the listener?
What is the magnitude of the force a + 50 mC charge exerts on a - 0.05 C charge 70 mm away?
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