Will a solid metal sphere hold a larger elaectric charge than a hollow sphere of the same diameter?Where does the charge reside
1 answer:
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To solve this problem it is necessary to use the conservation equations of both kinetic, rotational and potential energy.
By definition we know that
Where,
KE =Kinetic Energy
KR = Rotational Kinetic Energy
PE = Potential Energy
In this way
Where,
m = mass
v= Velocity
I = Moment of Inertia
Angular velocity
g = Gravity
h = Height
We know as well that for velocity (v) and Radius (r)
Therefore replacing we have
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Therefore the height must be 0.3915 for the yo-yo fall has a linear speed of 0.75m/s
Answer:
<em>The ball travels up to 16.53 meters above the player's head</em>
Explanation:
<u>Vertical Launch Upwards</u>
In a vertical launch upwards, an object is launched vertically up from a height H without taking into consideration any kind of friction with the air.
If vo is the initial speed and g is the acceleration of gravity, the maximum height reached by the object is given by:
The initial speed of the soccer ball is vo=18 m/s. The initial height can be assumed to be zero because we are required to find the maximum height with respect to the player's head, where the vertical motion was initiated.
Calculate the maximum height:
The ball travels up to 16.53 meters above the player's head