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ynclankaedon
20.12.2019 •
Physics
Abaseball player standing on a platform throws a baseball out over a level playing field. the ball is released from a point 3.50 m above the field with an initial speed of 14.3 m/s at an upward angle of 27.0 degrees above the horizontal. what horizontal distance will the ball travel before hitting the ground?
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Ответ:
22.1 m
Explanation:
Consider the motion of the ball along the vertical direction.
Using the kinematics equation that suits the above list of data, we have
Consider the motion of the ball along the horizontal direction.
Since there is no acceleration along the horizontal direction, we have
Ответ:
The Electric field due to a point charge at a point with distance r relative to the point charge is:
For E1 we have is:
For E2=E1 we have:
We the get the following equation:
Because