Answer:
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The initial velocity of the ball is given as 36.0 m/s.
The horizontal component of velocity of ball is given as,
The ball is projected vertically, therefore, the angle made by ball is 90 degree.
Plug in the known values,
Therefore, the initial horizontal velocity of ball is 0 m/s.
The vertical component of velocity of ball is given as,
Plug in the known values,
Therefore, the initial vertical velocity of the ball is 36.0 m/s.
Answer:
a Charge flows along a complete conducting path
Explanation:
Answer:
If the angular acceleration is a constant A, then this constant times the time will be equal to the angular velocity.
We know that after accelerating for 10 seconds, the angular velocity is 0.4 rad/s
Then:
A*10s = 0.4 rad/s
If we solve this for A we get:
A = (0.4 rad/s)/10s = 0.04 rad/s^2
This is the angular acceleartion.
Now we assume that the angular speed remains constant at 0.4 rad/s, and we know that the radius of the carousel is 20m, we want to find the linear velocity of the children.
We know that for an angular velocity W and for a radius R, the linear velocity is:
V = R*W
Then in this case the linear velocity is:
V = 20m*(0.4 s^(-1)) = 8 m/s
You have to cross multiply for this one.
25meters= 1 second
X meters = 35 seconds
35 * 25 = 875 meters