What is the mechanical advantage of the pulley system
By applying a force of 50 N, a pulley system can lift a box weighing 396 N. What is the mechanical advantage of the pulley system?
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A man can row a boat at a speed of 7.90 km/h in still water. If he is crossing a river where the current is 1.60 km/h, in what direction should his boat be headed if he wants to reach a point directly opposite his starting point?
Eukaryotic cells can divide by mitosis or meiosis. In humans, mitosis produces new cells for growth and repair; meiosis produces sex cells (gametes) called sperm and eggs.
Determine (a) the position, (b) the velocity, and (c) the acceleration of the particle at t = 3.00 s. (d) What is the maximum positive coordinate reached by the particle.
Explain the difference between psychology and biochemicals theories of violent behavior. Based on your readings and research, which theory is the best predictor of criminality?
A flight attendant pulls her 63 N flight bag a distance of 277 m along a level airport floor at a constant velocity. The force she exerts is 35 N at an angle of 57° above the horizontal. Find the work done by the force of friction on the fligh
Who were the greeks northern neighbors? Who were the greeks northern neighbors?
The leaves of a desert plant often have two or more layers of palisade mesophyll, rather than the single layer that is characteristic of most leaves. How might this modified structure be advantageous to a desert plant
Explain how injured parties may recover for negligence torts when the injured parties have themselves been negligent.
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Define postpartum hemorrhage for a vaginal birth and for a patient delivered by cesarean section (C/S). pace
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