Three balls which have equal masses are fired with equal speeds. one ball is fired up at an angle of 45 degrees, the other is fired up at an angle of 60 degrees, and the third ball is fired straight up at an angle of 90 degrees from the horizontal surface. rank in order, from largest to smallest, their speeds va, vb, and vc as they cross a dashed horizontal line approximately a couple meters away from the balls. explain. (all three are fired with sufficient speed to reach the line.)
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A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
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Three balls which have equal masses are fired with equal speeds. one ball is fired up at an angle of...
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