M = 600 kg
u = 0 (as the car was at rest initially)
v = 5 m/s
Initial kinetic energy = ½mu²
= ½×600×0
= 0
Final kinetic energy = ½mv²
= ½×600×25
= 7500 J
2.25 amperes
Ohms law dictates that electrical voltage = current times resistance. Since you are given voltage and not the current, you will be dividing voltage by the resistance.
9.0V ÷ 4.0ohms = 2.25 amps
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I believe the answer would be C.
False, the Amazon River is in South America. It's in the countries Brazil, Colombia, and Peru.