SHIFTB. Vertically Launched Projectiles1. A ball is kicked at an angle of 35° with the ground.a. What should be the initial velocity of the ball so that it hits a target that is 30 m away at a height of 1.8 m?ww.a dd esob. What is the time for the ball to reach the target?

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Answered: B. Vertically Launched Projectiles 1. A…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A vehicle is on a hill that has a 20 degree andle below the horizontal. A driver leaves the vehicle in neutral and the vehicle rolls backwards toward the edge of the cliff. The acceleration is 2.37m/s2 and the distance traveled is 55m before the vehicle reaches the edge of the cliff. The cliff is 30m high. a. How much time will the vehicle be in the air after leaving the cliff? b. How far horizontally will the vehicle be away from the cliff when it lands?
2. A ball is thrown from the top of 20.0 m tall building at an angle of 45° above the horizontal. The ball has initial speed of 40 m/s. a. Calculate the maximum height above the ground that the ball reaches. b. Calculate the speed of the ball just before it hits the ground. c. Calculate the horizontal range from the base of the building to the point where the ball hits the ground.
Two-dimensional motion Consider the motion of the following objects. Assume the x-axis is horizontal, the positive y-axis is vertical, the ground is horizontal, and only the gravitational force acts on the object.a. Find the velocity and position vectors, for t ≥ 0.b. Graph the trajectory.c. Determine the time of flight and range of the object.d. Determine the maximum height of the object. A baseball is thrown horizontally from a height of 10 ft above theground with a speed of 132 ft/s.
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3. A ball is thrown vertically upward with a speed of 15.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the level from which it started?
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A baseball is hit with an initial velocity of 20 m/s at an angle of 22 degrees above the horizontal and at an initial height of .9 m. a. How high will the baseball go? b. How far will the baseball go when it hits the ground?
A javelin thrower standing at rest holds the center of the javelin behind her head, then accelerates it through a distance of 70cm as she throws. She releases the javelin 2.0m above the ground traveling at an angle of 30° above the horizontal. In this throw, the javelin hits the ground 62m away. a. What was the acceleration of the javelin during the throw? Assume that it has a constant acceleration. b. What is the speed of the javelin as it leaves the hand of the thrower? c. What is the maximum height reached by the javelin? O 10.5m 9.8m O 8.5m O 7.0m
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B. Vertically Launched Projectiles 1. A ball is kicked at an angle of 35° with the ground. a. What should be the initial velocity of the ball so that it hits a target that is 30 m away at a height of 1.8 m? b. What is the time for the ball to reach the target?