If you walk 1.4 km north and then 4.8 km east, what are the magnitude and direction of your resultant displacement? a. magnitude: 5 km; direction: 73.7 degrees east of north b. magnitude: 4.6 km; direction: 73.7 degrees east of north c. magnitude: 5 km; direction: 16.3 degrees east of north d. magnitude: 4.6 km; direction: 16.3 degrees east of north
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Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
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In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
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Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?
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If you walk 1.4 km north and then 4.8 km east, what are the magnitude and direction of your resultan...
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