Using a simple machine, a student is able to lift a 500N weight by applying only 100N. What is the mechanical advantage of the simple machine? A) 0.2 B) 1 C) 5 D) 50000

Most of the Earth's volcanoes occur A. near the center of tectonic plates. B. before tectonic plates can form. C. along tectonic plate boundaries. D. where there are no tectonic plates.

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E asteroid belt circles the sun between the orbits of mars and jupiter. one asteroid has a period of 6.0 earth years. part a what is the asteroid's orbital radius?

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Your heart pumps 80 g of blood with each beat. The blood starts from rest and reaches a speed of 0.60 m/s in the aorta. If each beat takes 0.16 s, the average force exerted on the blood is a. 3.0" 102 N b. 0.22 N c. 0.16 N d. 0.30 N e. 0.98 N

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What is the name for potential difference that causes current to flow? (A) electric charge (B) static discharge (C) voltage

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In an oscillating lc circuit, when 75.0% of the total energy is stored in the inductor's magnetic field, (a) what multiple of the maximum charge is on the capacitor and (b) what multiple of the maximum current is in the inductor?