Answer:
in series, R1 + R2 = RT
6 + R2 = 10
R2 = 4
IN SERIES COMBINATION,
CURRENT REMAINS THE SAME.
IT = VT/RT
IT = 20/10
= 2A
I remains the same in series, hence
I1 = 2A
I2 = 2A
V1 = I R1
= 2 x 6
= 12V
V2 = I R2
= 2 X 4
= 8V
P1 = I2R
= 2 X 2 X 6
= 24 W
P2 = I2R
= 2X 2X 4
= 16 W
TOTAL POWER = P1 + P2
= 40W
Answer:
-0.912 m/s
Explanation:
When the package is thrown out, momentum is conserved. The total momentum after is the same as the total momentum before, which is 0, since the boat was initially at rest.
where are the mass of the child, the boat and the package, respectively. are the velocity of the package and the boat after throwing.
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Answer:
<h2>Rotational inertia first decreases and then increases as the satellite is ready to land</h2>
Explanation:
This problem is based on the conservation of angular momentum.
<h2>What is the Law of Conservation of Angular Momentum
?</h2>
The Law of Conservation of Angular Momentum states that
<em>"The angular momentum of a system of particles around a point in a fixed inertial reference frame is conserved if there is no net external torque around that point".</em>
The rate of rotation increases greatly when the Satelite is moved inwards by 10%, decreasing the moment of inertia. The work-done to pull in the Satelite results in an increase in rotational kinetic energy.
A reaction at dynamic equilibrium<span> can be reversible, whereas a reaction at </span>static equilibrium<span> is irreversible. A reversible reaction is a reaction that can proceed in the direction of products to reactants. ... It is at </span>static equilibrium<span> if the reaction has occurred and the forward and reaction rates are both equal to 0.
hope this helps!</span>