ANSWER:
3408.81 kg
STEP-BY-STEP EXPLANATION:
Given:
v = 111 m/s
Ek = 21000000 J
We have that the formula for kinetic energy is as follows:
We substitute the values given in the exercise and solve for m (mass)
The mass of the helicopter is 3408.81 kilograms.
Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. so the first one
The answer is C. 8.0
Factor in the resistors and take into account the 4.0 W connection. Then do it like you normally would with the 4.0 W included. This will give you 8.0, simple :)
Hope this helped. Have a great day!
Answer:
c) Equal to R
b) the width of the resonance
Explanation: In general the impedance Z of an electrc circuit is:
Z = R + jX
Now when the circuit is capacitive, the above mentioned relation become Z = R + 1/jwc where ( w = 2πf )
And when the circuit is inductive Z becomes
Z = R + j wl
Resonance condition implies that the reactance created by capacitors are equal at the inductances produced by inductors, in other words the circuit will behaves as it were resistive.
The impedance will be equal to R
The Q factor is[
Q = X/R in which X is the module of either the capacitive or inductive reactance.
Q has an inverse relation with the band width.
Answer:
How do you stop answe question?
Explanation:
