I side more with B but a’s a good one
Answer:
kinetic
Explanation:
A vehicle takes good chemical energy stored in the bonds of hydrocarbons (gasoline) and converts it into movement (kinetic energy), air vibration (noise), and heat (wasted energy in the summer), some electricty for the radio, spark plugs, fans, and cell phone charger. But the aswer here is kinetic, since the word "moving" is specified.
Answer:
turning off the electric current turns off the electromagnet
Explanation:
The total current through the circuit is 0. 19A
<h3>How to determine the current</h3>
We have the formula for power to be;
Current, I = V/R
Voltage = 7. 7V
Resistance in parallel = R1R2/ R1 + r2
Resistance in parallel = = = 41. 40 Ohms
Current = = 0. 19 A
Thus, the total current through the circuit is 0. 19A
Learn more about voltage here:
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Answer:
far from the speaker the intensity drops to 85 dB.
Explanation:
In the equation for the Decibel scale
The ratio of the intensities can be written as
And since
and
,
meaning
Putting this into equation (1), we get:
Now, if the intensity is 100 dB when the distance is 5 meters, we have:
by taking both sides to the exponent:
Now equation (2) becomes
when the intensity level is 85 dB we have
take both sides to exponents and we get:
Thus, far from the speaker the intensity drops to 85 dB.