What happens to the water particles in a wave?
2 answers:
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Answer:
<h2>i. 9J and </h2><h2>ii. -9J</h2>Explanation:
Please see attached the diagram and also the FBD for your reference.
Step one:
given data
Weight w1=20N
Distance s1=75cm= 0.75m
Weight w2=12N
Distance s2=75cm =0.75m
Clearly, we are asked to find the work done by gravity and the tension in the string.
we know that work is defined as force times the distance traveled
W=F*D
and to know the force we need the acceleration, seeing that the system is stationary the acceleration due to gravity 9.81m/s^2 is not needed here
i . Work done by gravity = w2*s2=12*0.75=9J
ii. The tension is equal but opposite = -9J
1) 0.266 H
2) 0.040 J
3)
Explanation:
The diagram of the circuit is missing: find it in attachment.
1) What is L, the value of the inductance of the circuit?
For an RLC circuit, the resonant angular frequency is given by:
where
L is the inductance of the circuit
C is the capacitance of the circuit
In this problem, we have:
is the angular frequency of the generator, at which the circuit is in resonance
is the capacitance
Therefore, solving for L, we find the inductance of the circuit:
2) What is umax,c, the value of the maximum energy stored in the capacitor during one cycle
The maximum energy stored in a capacitor is given by the equation
where
C is the capacitance of the capacitor
V is the maximum potential difference across the capacitor
Here we have:
is the capacitance
is the maximum voltage across the capacitor, which is the emf of the generator
Substituting, we find:
3) What is R, the value of the resistance of the circuit?
Here we want to find the resistance of the circuit.
The resistance of the circuit can be found by using Ohm's Law:
where
V is the maximum voltage
R is the resistance
I is the maximum current
Here we have:
V = 24 V is the maximum voltage provided by the generator
I = 0.78 A is the maximum current in the circuit
Solving for R, we find the resistance:
