H + 732 = -194 Solve for H
1 answer:
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For this case we have the following equation:
To find the time when it reaches its maximum height, we must derive the equation.
We have then:
Then, equaling to zero and clearing the time we have:
Answer:
the ball reaches its maximum height at:
C. 2
Answer:
K1/K2=4
Step-by-step explanation:
The kinetic energy of a rotating sphere is given by:
The moment of inertia of a solid sphere is given by
The initial kinetic energy is therefore
The final kinetic energy is given by
Therefore the relation K1/K2 if R2 = 0.5R1
The text says nothing about the final angular velocity just the collapse of the collapse of the radius