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Math000
The height (in meters) of a projectile shot vertically upward from a point 3 m above ground level with an initial velocity of 21.5 m/s is h = 3 + 21.5t − 4.9t2 after t seconds. (Round your answers to two decimal places.) (a)
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Which trigonometric function requires a domain restriction of [0,pi] to make it invertable? a. f(x)= sin x b. f(x)= cos x******* c. f(x)= tan x d. f(x)= csc x e. f(x)= sec x f. f(x)= cot x Which of the following points could be
asked by Vsuf on May 22, 2018 
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An astronaut on the moon throws a baseball upward. The astronaut is 6 fee, 6 inches tall and the initial velocity of the ball is 30 feet per second. The height of the ball is approximated by the function s(t)= 2.7t^2 + 30t + 6.5
asked by Ciara on January 29, 2018 
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A batted baseball leaves the bat at an angle of 30 degrees above the horizontal and is caught by an out fielder 400ft from the plate. (a) what was the initial velocity of the ball? (b) How high did it rise? (c) How long was it in
asked by Nono on September 4, 2015 
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A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by a quadratic function h(t) = −5t^2 + 10t + 1. What is the maximum
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A baseball player releases a baseball at the height of 7 feet above the ground with an initial vertical velocity of 54 feet per second. How long will it take the ball to reach the ground?
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A construction worker drops a hammer from a height of 25 m. How long will it take the hammer to hit the ground? Use the formula h(t)=−4.9t62+vot+ho , where vo is the initial velocity and ho is the initial height. Round to the
asked by Katiana on December 5, 2017 
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A baseball player throws baseball at a velocity 139ft per second at an angle of 20 degrees. The ball leaves the players hand at a height of 5 feet. The path of the ball has a parametric equation x=v(o)t cos(o) and
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if a ball is thrown vertically upward with an initial velocity of 48 ft/s, then its height, s, after t seconds is given by s(t)= 48t16t^2. a) what is the velocity of the ball after 1 second? b) when does the ball hit the ground?
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Physics
A ball player hits a home run, and the baseball just clears a wall 17.0 m high located 124.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a
asked by Jennifer on November 6, 2011 
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A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?
asked by Sunny on January 8, 2013
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