1) What happens to the energy carried in the transverse wave as the amplitude increases? *
1 answer:
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The initial velocity is
Explanation:
The motion of the ball is a projectile motion, therefore it consists of two independent motions:
- A uniform motion (constant velocity) along the horizontal direction
- A uniformly accelerated motion, with constant acceleration (acceleration of gravity) in the downward direction
In this problem, we just need to analyze the horizontal motion: the horizontal velocity is constant, therefore the horizontal distance travelled is given by
where
is the horizontal velocity
t is the time of flight
Here we have:
t = 0.45 s
x = 3.0 m
And so solving for , we find
And since the ball was initially projected horizontally, this is also the initial velocity.
Learn more about projectile motion:
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