A few days ago
Last minute Physics question pls help?
1.) How much farther will a golf ball with an initial speed of 75 m/s go when projected at 45 degrees than when projected at 30 degrees?
2.) Observations are made of a distant television tower from each end of a 100-m base line. From each position the angle between the line of sight and the base line is 85.5 degrees. How far is the tower from the center of the line?
Top 1 Answers
A few days ago
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1) Break down the motion into horizontal and vertical components. The vertical component determines how long the ball stays in the air; multiply that time by the horizontal component to get the total distance in each case.
2) Draw the triangle. Since the base angles are equal, the triangle is isosceles. Cut it in half for a right triangle, and use your basic trig ratios to solve.
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