Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Chapter 9, Problem 4ASA
After the horizontal projectile leaves the gun, what are the accelerations in the x- and y-directions?
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Why does the horizontal speed stay constant in a projectile motion?
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The horizontal and vertical components of projectile motion are independent but must be analyzed together. Why?
Chapter 9 Solutions
Physics Laboratory Experiments
Ch. 9 - In terms of the variables given in GL Fig. 9.1,...Ch. 9 - If the horizontal momentum is considered to be...Ch. 9 - Write an equation for the conservation of momentum...Ch. 9 - Verify that your equation has the masses and the...Ch. 9 - How are Eqs. 2 and 3 related by the conservation...Ch. 9 - Prob. 6EPCh. 9 - Prob. 7EPCh. 9 - Prob. 8EPCh. 9 - Prob. 9EPCh. 9 - Prob. 1ASA
Ch. 9 - Why is it justified to say that the momentum in...Ch. 9 - Why are the heights measured to the center of mass...Ch. 9 - After the horizontal projectile leaves the gun,...Ch. 9 - How is the location where the ball strikes the...Ch. 9 - Besides the range, what else is needed to...Ch. 9 - For a given initial velocity, how does the range...Ch. 9 - Theoretically, the angle of projection for maximum...Ch. 9 - Is the collision between the ball and the pendulum...Ch. 9 - Expressing the kinetic energy in terms of momentum...Ch. 9 - Prob. 5QCh. 9 - What effect does the force of gravity have on the...Ch. 9 - What effect would air resistance have on the range...Ch. 9 - Prob. 9Q
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- Neglecting air resistance, why would a ball projected horizontally and another ball dropped at the same time from the same initial height hit the ground together?arrow_forwardA strong softball player smacks the ball at a height of 0.7 m above home plate. The ball leaves the players bat at an elevation angle of 35 and travels toward a fence 2 m high and 60 m away in center field. What must the initial speed of the softball be to clear the center field fence? Ignore air resistance.arrow_forwardA car travels due east with a speed of 50.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 60.0 with the vertical. Find the velocity of the rain with respect to (a) the car and (b) the Earth.arrow_forward
- In the absence of air resistance, a projectile launched at an angle of 28 above the horizontal will have the same range as a projectile launched at which of the following angles? (2.5) (a) 45 (b) 57 (c) 62 (d) 180 33 = 147arrow_forwardWhat is the acceleration of Venus toward the Sun, assuming a circular orbit?arrow_forwardA car travels due east with a speed of 50.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 60.0 with the vertical. Find the velocity of the rain with respect to (a) the car and (b) the Earth.arrow_forward
- A football is thrown on a long pass. Compared to the balls initial horizontal velocity, the velocity at the highest point is ___. (2.5) (a) greater (b) less (c) the samearrow_forwardif a projectile was released from the ground and hit a target 50m away in 30 seconds, what was the initial horizontal velocity of the projectile?arrow_forwardShow that the maximum horizontal distance for a projectile can be attained when the angle is 45 degrees.arrow_forward
- Which two factors affect how much time a ball rolling horizontally off a table top will be in the air?arrow_forwardWhy does the vertical component of velocity for a projectile change with time, whereas the horizontal component of velocity doesn't?arrow_forwardA boat, 100m from the point where the projectile was shot, moves with a constant velocity of 6m/s. Find the value of θ, in deg, the angle of release of the projectile based from the horizontal, such that it will hit the boat in 6s. The velocity of release of the projectile is 30m/s.0 the answer should be 3 decimal placesarrow_forward
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Kinematics Part 3: Projectile Motion; Author: Professor Dave explains;https://www.youtube.com/watch?v=aY8z2qO44WA;License: Standard YouTube License, CC-BY