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Problem 1 : Shown below are six cases in which two blocks are supported by massless strings. The lower block is the same in all cases and the mass of the upper block varies from case to case. The acceleration and velocity for each system is provided in the figure. Rank the magnitude of the tension in the bottom string from greatest to least. Hint: Draw free body diagrams whenever you are doing a force problem. The net force and accleration are always in the same direction.
Problem 2 : Shown below is a two block system that is being pulled along frictionless surfaces. The mass of the string and pulley can be neglected. Values for six cases of varied masses and accelerations are given in the table. Rank the six cases from the greatest tension at point P to the least tension at point P.
Problem 3 : Shown below are six cases in which a cart and mass system are connected by a string. In three of the cases the cart is tied to a fixed post. All surfaces are frictionless and the strings and pulley can be considered massless. Rank the systems based on the magnitude of the acceleration of the blocks from greatest to least. Hint: Only three ranking values are used in this problem. This is an exam level question.
Problem 4 : Shown in problem 3 are six cases in which a cart and mass system are connected by a string. In three of the cases the cart is tied to a fixed post. All surfaces are frictionless and the strings and pulley can be considered massless. Rank the systems based on the magnitude of the tension in the string connecting the block and cart from greatest to least. Hint: Two of the cases have the same ranking. This is an exam level question.
Problem 5 : Shown below are six cases in which the same 5 kg block is at rest either on a ramp or a flat surface. All surfaces are frictional. In some cases a 4 newton force is acting on the block parrallel to the surface it is resting on. Rank the magnitude of the frictional force acting on the block. Hint: A critical piece of information is given in the problem that you should always pay attention to. Is the force of friction acting up or down the ramp? This is an exam level question.
A convex mirror, like the passenger-side rearview mirror on a car, has a focal length of -2.8m. Use ray tracing to determine the location of its image
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You have a concave spherical mirror with a 13.3-cm radius of curvature. You place an object on the mirror's axis, 19.7 cm in front of the mirror
An Olympic basketball player shoots towards a basket that is 5.36m horizontally from her and 3.05m above the floor. The ball leaves her hand 1.83m above the floor at an angle of 45.0o above the horizontal. What initial speed must she give the ball so..
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Ice (initially at 0oC) is added to 0.75L of tea at 10oC to make the coldest possible iced tea. how much liquid is in the pitcher when this condition occurs
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a well with vertical sides and water at the bottom resonates at 10 hz and at no lower frequency. the air in the well
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An automobile is going up a grade of 13° at a speed of 27.5 m/s. The coefficient of static friction between the tires and the road is 0.70. What minimum distance does it take to stop the car
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