To Choose: The correct option.
Answer to Problem 1STP
Option C.
Explanation of Solution
Given info:
Initial height from which ball is thrown,
The angle at which the ball is thrown,
Initial velocity with which the ball is thrown,
Formula used:
First equation of motion:
Where,
And,
The distance traveled by an object with a constant acceleration is given by,
And,
The rectangular components of a vector A making an angle of
Calculation:
The components of the initial velocity in the vertical and horizontal direction is,
Also, only acceleration acting on the ball is in the vertical direction which is due to gravity only, hence it can be written as
Negative sign is used since the acceleration acts in downward direction and opposes the motion of the ball
Now, considering the vertical motion of the ball to determine the time taken for the projectile motion as,
In above equation,
Then, using given and calculated values in above,
Considering only the positive value of “t”,
Now, since no acceleration acts on ball in horizontal direction, hence horizontal distance covered by the ball in
Conclusion:
Thus, the horizontal distance covered by the ball is
Chapter 6 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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