The answer would be 27,000 Joules because (1/2) m v^2 =30*900 which equals 27,000 J
I dont know if it right but <span>Use a universal power adapter. This is perhaps the most obvious solution to your battery woes. Readily found at most retail outlets that carry electronics, a universal power adapter can range anywhere in price from $30 to $100 or more. The adapter comes with multiple tips, one of which will likely fit your laptop’s charging port. When plugged in, the adapter will not only power your laptop, but will charge its battery as well.</span>
I took this test and the correct answer is c
I hope this helps
Answer:
i think the answer is 12 ohms
plz mark me as brainliest :)
