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A football is thrown with an initial upward velocity component of 15.0 and a horizontal velocity component of 17.5 . How high does it get above the ground? How far has the football traveled horizontally from its original position?
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In raising a 6400-N piano with a pulley system, the movers note that, for every 3.0 m of rope pulled down, the piano rises 0.26 m Ideally, find the force required to lift the piano. Express your answer to two significant ...
Question: An object is 40 cm in front of a concave mirror with a focal length of 20 cm. Use ray tracing to locate the image. Is the image upright or inverted? The response must be typed, single spaced, must be in times n ...
Question: A slingshot will shoot a 10-g pebble 22.0 m straight up. Part A: How much potential energy is stored in the slingshot's rubber band? Express your answer using two significant figures. Part B: With the same pote ...
Question: The Otto-cycle engine in a Mercedes-Benz SLK230 has a compression ratio of 8.8. A. What is the ideal efficiency of the engine? Use γ=1.40. Express your answer using two significant figures. B. The engine in a ...
Question: In one of the classic nuclear physics experiments at the beginning of the 20th century, an alpha particle was accelerated towards a gold nucleus and its path was substantially deflected by the Coulomb interacti ...
Question: The particle travels along the path defined by the parabola y = 0.5x2. If the component of velocity along the x axis is vx = (7t) ft/s, where t is in seconds, determine the particle's distance from the origin O ...
question: A point charge of magnitude q is at the center of a cube with sides of length L. Part A: What is the electric flux ? through each of the six faces of the cube? Use 0 for the permittivity of free space. and Part ...
A ball rolls off a table with a horizontal velocity of 5 m/s if takes 0.6 seconds for it to reach the floor a) what's the vertical component of the ball's velocity just before it hits the floor b) what's the horizontal c ...
Question: Part A: What is the speed of light in ethyl alcohol (n = 1.36)? Part B: What is the speed of light in lucite (n = 1.50)? Part C: What is the speed of light in crown glass (n = 1.52)? The response must be typed, ...
Question: A 30.0kg- box is being pulled across a carpeted floor by a horizontal force of 230N, against a friction force of 210N. What is the acceleration of the box? How far would the box move in 3s, if it starts from re ...
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