Answer:
The magnitude and direction of the resultant is 8.66 N and south of East.
The magnitude and direction the equilibrant is 8.66 N and North of West respectively.
Explanation:
Let
= Angle between P and Q =
Magnitude of resultant
Direction is given by
The magnitude and direction of the resultant is 8.66 N and south of East.
The magnitude and direction the equilibrant is 8.66 N and North of West.
Here we apply conservation of linear momentum. The momentum of the truck with cargo and without cargo remains constant. That is,
.
Here are initial mass and velocity. are final mass and velocity. Here and .
The velocity of the truck be after its cargo is taken off is
Answer:
friction
Explanation:
i believe that is the answer
B: reliable
nuclear power is not cheap or clean, it also cannot be built anywhere i don’t think if not b then i suppose try D next
The rms voltage will be 82.7 v
<h3>What is rms voltage?</h3>
"RMS" stands for Root Mean Square and is a way of describing the amount of AC voltage or current in terms that are functionally equivalent to DC. For example, 10 Volts AC RMS is the amount of voltage that will produce the same amount of heat dissipation in a given value resistor as a 10 Volts DC power supply.
The root mean square (rms) voltage of a sinusoidal source of emf (Vrms) is used to characterize the source. It is the square root of the square of the time-averaged voltage. The value of Vrms is v₀/√2 or equivalently 0.707 v₀
For the given question:
At the same time interval same heat is produced. Therefore, power in both DC and AC will also be same.
So the rms voltage will be:
= 117.0/√2
= 117.0 × 0.7071
= 82.7 v
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