A watermelon cannon fires a watermelon vertically up into the air at a velocity of +9.5m/s, starting from an initial position of
1 answer:
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Answer:
The angular velocity is
Explanation:
From the question we are told that
The mass of wooden gate is
The length of side is L = 2 m
The mass of the raven is
The initial speed of the raven is
The final speed of the raven is
From the law of conservation of angular momentum we express this question mathematically as
Total initial angular momentum of both the Raven and the Gate = The Final angular momentum of both the Raven and the Gate
The initial angular momentum of the Raven is
Note: the length is half because the Raven hit the gate at the mid point
The initial angular momentum of the Gate is zero
Note: This above is the generally formula for angular momentum of square objects
The final angular velocity of the Raven is
The final angular velocity of the Gate is
Substituting this formula
Where is the angular velocity
Substituting value
The net force is the 10N force and its direction is towards F2 force.
<h3>What is resultant force?</h3>The resultant force or the net force is the actual force that acts on a body. We are told that the two forces act in opposite directions hence the net force is F2 - F1 = 30 N - 20 N = 10 N.
ii) The direction of this net force is going to be towards the 30N force.
iii) If the body does not move under the application of these forces then the F1 force must be reinforced by another force which balances it against the F2 force.
Learn more about net force:brainly.com/question/18031889?
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