Hello!
We can point to the invention of the wheel . The wheel invention made possible the production of hundreds of complex machinery.
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Density =mass/volume
density= (0.044kg/(11 x10^-6)
4000kg/m^3
Yes, they seem right to me.
The best and most correct answer among the choices provided by your question is the second choice or letter b.
Ex is negative from x = -2 to x = 0, and positive from x = 0 to x = 2 <span>correctly describes the orientation of the x-component of the electric field along the x-axis.</span>
I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
Voltage = current x resistance
since R is doubled, current must reduce by half.
So,
new current = 120/2 = 60mA
