Acart is moving horizontally along a straight line with constant speed of 30 m/s. a projectile is fired from the moving cart in such a way that it will return to the cart after the cart has moved 80 m. at what speed (relative to the cart) and at what angle (to the horizontal) must the projectile be fired?
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Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.
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In a stagnant pool of water, a crayfish may spend much of its time lying with one side of its carapace near the surface of the water. in this position, it will move the walking legs on that side in a rhythmic back-and-forth motion. explain the likely function of this behavior.
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A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature
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Acart is moving horizontally along a straight line with constant speed of 30 m/s. a projectile is fi...
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