PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers

PHY 150 Ch 11 Prelecture Exam 2 Questions with correct answers For general projectile motion, which of the following best describes the horizontal component of a projectile's velocity? Assume air resistance is negligible. - The horizontal component of a projectile's velocity remains a nonzero constant. For general projectile motion, which of the following best describes the horizontal component of a projectile's acceleration? Assume air resistance is negligible. - The horizontal component of a projectile's acceleration is zero. For general projectile motion, which of the following best describes the vertical component of a projectile's acceleration? Assume air resistance is negligible. - The vertical component of a projectile's acceleration remains a nonzero constant. At what angle, above the horizon, should a cannon be fired in order for the cannon ball to obtain the greatest horizontal range? Assume air resistance is negligible. - The cannon should be fired at an angle of 45° above the horizon. A player kicks a soccer ball in a high arc toward the opponent's goal. When the soccer ball reaches its maximum height, how does its speed at this point compare to its initial speed? Assum