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Social ScienceAn arrow is shot horizontally from a height of 4.9 m above the ground. The inital speed of the arrow is 45 m/s. Neglecting fritction, how long will it take the arrow to hit the ground?
An arrow is shot horizontally from a height of 4.9 m above the ground. The inital speed of the arrow is 45 m/s. Neglecting fritction, how long will it take the arrow to hit the ground?
Expert Answer
To determine: The time taken by the arrow to reach the ground.
Given information: The height from which the arrow is thrown is 4.9 m and the horizontal speed of the arrow is 45 m/s and the initial vertical speed is zero. Resistance of motion due to friction is neglected.
The arrow experiences constant vertical acceleration and constant horizontal speed.
Write the kinematic expression for distance travelled
Here, s is the vertical distance travelled by the arrow, u is the i...
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