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Answer the question below

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?