High angular momentum leads to faster rotation. why does faster rotation tend to lead to a spiral galaxy, rather than an ellipti
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Answer:
The time taken for the paint ball to hit the ground is
The distance of the landing point from the tower is
Explanation:
From the question we are told that
The height of the tower is
The speed of the paintball in the horizontal direction is
Generally from kinematic equation we have that
Here u is the initial velocity of the paintball in the vertical direction and the value is 0 m/s , this because the ball was fired horizontally
a is equivalent to
t is the time taken for the paintball to hit the ground
So
=>
Generally the distance of its landing position from the tower is
=>
=>
We can solve for the acceleration by using a kinematic equation. First we should identify what we know so we can choose the correct equation.
We are given an original velocity of 24 m/s, a final velocity of 0 m/s, and a time of 6 s. We and looking for acceleration (a) in m/s^2.
The following equation has everything we need:
So plug in the known values and solve for a:
0 = 24 + 6a
-24 = 6a
a = -4 m/s^2
We are given an original velocity of 24 m/s, a final velocity of 0 m/s, and a time of 6 s. We and looking for acceleration (a) in m/s^2.
The following equation has everything we need:
So plug in the known values and solve for a:
0 = 24 + 6a
-24 = 6a
a = -4 m/s^2