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According to Newton’s 1st law, construction workers are warned not to leave their hard hats on the rear window ledge of their cars, explain why?
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What is the unit of inertia?
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Velocity
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When a bar magnet falls through a long hollow metal cylinder fixed with its axis vertical, what is the final acceleration of the magnet?
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Velocity
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Why do airplanes appear stationary at \times? Why don’t they fall?
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Velocity
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A Toyota Prius driving north at 58.0 mph and a VW Passat driving south at 40.0 mph are on the same road heading toward each other (but in different lanes). We take the positive direction to be north. (a) What is the velocity of the Toyota Prius relative t
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A soccer ball has a diameter of about 22 cm and a mass of about 430 grams.What is its terminal velocity?
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An ultimate frisbee player is running forward (east) at 7 m/s. He throws a frisbee with a velocity of 30 m/s at an angle of 47 degrees with the horizontal. What are the resultant speed and the direction (rotational angle) of the throw?
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Velocity
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Why does a child in a wagon seem to fall backward when you give the wagon a sharp pull forward?
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A driver pushes the accelerator pedal as far down as possible. The car does not accelerate above a certain maximum speed. Explain the reason for this in terms of the forces acting on the car.
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A pickup truck has several empty soda cans loose in the bed. Why do the cans roll forward in the bed when the truck slows down?
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A plane is flying to a city 786 km directly north of its initial location. The plane maintains a speed of 188 km/h relative to the air during its flight. (a) If the plane flies through a constant headwind blowing south at 55.5 km/h, how much time (in h) w
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In the cabin of a jetliner that cruises at a speed of 600 km/h, a pillow drops from an overhead rack. Since the liner is moving so fast, why doesn’t the pillow slam into the compartment when it falls?
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