If a ball is launched upward with a vertical velocity of 50 m/s and a horizontal velocity of 10 m/s, what will the vertical displacement be 5 seconds later?
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Ответ:
The vertical displacement will be 127.5 meters
Step by step:
Since the question asks for the vertical displacement only, it is sufficient to limit our calculation to the vertical components of the problem.
We choose to measure the displacement on a vertical axis d with an initial coordinate 0 coinciding with the launch of the ball. There is an initial horizontal velocity v_0 of 50 m/s and the gravitational deceleration g acting in the direction opposite to the initial velocity. The formula for displacement of a body subject to an deceleration with an initial velocity (at time t=5 seconds) is:
After 5 seconds of the launch, the ball will be at the point 127.5 meters from the origin on the vertical axis (vertical displacement)
Ответ:
explanation:
it travels 32m per 34 seconds
it travels 64m in 1 min 8 sec
it travels 96m in 1 min 42 sec