Work occurs when
2 answers:
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Answer:
The deceleration is
Explanation:
From the question we are told that
The height above firefighter safety net is
The length by which the net is stretched is
From the law of energy conservation
Where is the kinetic energy of the person before jumping which equal to zero(because to kinetic energy at maximum height )
and is the potential energy of the before jumping which is mathematically represented at
and is the kinetic energy of the person just before landing on the safety net which is mathematically represented at
and is the potential energy of the person as he lands on the safety net which has a value of zero (because it is converted to kinetic energy )
So the above equation becomes
=>
substituting values
Applying the equation o motion
Now the final velocity is zero because the person comes to rest
So
Answer:
The formula for Impedance for circuit with R, C, and L are:
The impedance Z of the series RLC circuit depend upon angular frequency ω. Impedance is measured in ohms and resistance (R), inductance reactance and capacitive reactance. Series RLC circuit consist of the resistance, a capacitance and an inductance connected in the circuits. Electrical impedance is the measurement of the opposition that a circuit present in a current.