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Dado: g = 10 m/s2
Na figura acima, fora de escala, a água e o óleo estão em repouso e a pressão do gás é de 103,00 x 103 N/m2. Ao abrir a válvula e liberar o gás para a atmosfera, o nível da água muda. Calcule o quanto o nível da água desce e assinale a opção correta.
Dados: A1= A2= 2A3; h0 = 0,250 m ; g = 10,0 m/s2 ; Págua = 1000 kg/m3 ; Póleo = 800 kg/m3 ; Patm = 100,00 x 103 N/m2
Dado: nar=1,0
Dados: densidade da água = 103 kg/m3 ; g = 10 m/s2
Dados: calor latente de fusão da água = 300 kJ/kg ; calor específico da água = 4200 J/kg
Dado: g = 10 m/s2
Brazil has joined Combined Maritime Forces (CMF)
“On July 30th, the Brazilian Navy ________ the invitation letter from the CCFM accepting the affiliation as a full member of the CMF. The Brazilian Navy ________ this kind of event an excellent opportunity ________ ties of friendship, as well as ________ cooperation and mutual respect among the participating navies,” a spokesperson for the Brazilian Navy ________.
(Adapted from https://www.navaltoday.com)
Do you feel mentally drained out ________ office? Are you constantly worried ________ meeting your deadline or are unable ________ achieve your targets? All these can lead ________ stress, a phenomenon faced _________ the majority of the working population.
(https://www thehealthsite.com)
[...] Go on, don't let the conversation die. Say something; just keep talking. "Do you read many novels? You do? _______, or some at least, though nonfiction is more in my line....".
(Adapted from CALVINO, Italo. If on a winters night a traveller. Harcourt Brace Jovanovich, Inc.,1981. p.21)
_______ advice do you follow more, your parents' or your friends' advice?
l She has a ______ job. Il- I enjoyed the movie at first, but after a time I got _______ with it. Ill- I was ______ at her knowledge of literature. IV- Which do you find more _______, traveling by car or by bus?
Which option completes the sentences correctly?
Social engineering: here's how you _______ be hacked
Lean how social engineering ________ affect you, plus common examples to help you identify and stay safe from these schemes.
Social engineering is an important term in the security world, but you _______ not be familiar with exactly what it means. While it is a broad subject, there are specific types of social engineering that we _______ examine to leam more. Let's look at social engineering as a concept so you _______ avoid falling victim to it. Social engineering is the act of manipulating people to steal private information from them, or make them give up such confidential details. (Adapted from https:/Avww.muo.com)
“Would you like to go to Vyas Chhatri, madam?” Lal asks, as I get back into the car. “It was built in honour of Maharishi Ved Vyas. I'm sure your head tells you to go back, but your heart doesn't want to let go of the opportunity, _______?
(Adapted from www .travelandleisureindia.in)
How do I know if I'm eligible to apply to the Naval Academy?
You must be:
- at least 17 years of age and must not have passed your 23rd birthday on July 1st of the year of admission;
- unmarried, not pregnant and have no incurred obligations of parenthood; and
- a United States citizen (except for the limited quotas of international midshipmen specifically authorized by Congress).
(Adapted from https://www.usna.edu/)
Considering only the requirements above, who can apply to the Naval Academy?
Personnel aboard HMS Queen Elizabeth _______ in a sports day to reinvigorate interest in team sports.
The event, led by the NAVYfit team at HMS Temeraire, working under Covid-19 guidance, provided an opportunity for personnel to ______ in a range of activities, designed to show the importance of sport and fitness to health and well-being.
(“Sporting opportunities for carrier personnel”, Naval News, p. 36, December 2020.)
In February, the Royal Navy's submarine HMS Talent (S92) ______ the upgraded Spearfish torpedo near the Isle of Skye to rigorously test it before it ______ service.
During the three-day trial, the torpedo ______ at Talent three times and ______ to safely pass the submarine.
The trials ______ valuable data in the final stages of the upgraded torpedo's development ahead of its entry into service.
The operational version of the weapon ______ to all front-line Royal Navy submarines by 2025.
(Adapted from https:/Awww.navaltoday.com)
Ultimately you cant go long term without an appropriate duration of sleep, so it's important to try to get ______ sleep ______ nights.
While everyone's exact sleep requirements are different, on average you should be geiting between six and nine hours of sleep a night. Your brain is hardwired for what it needs. Getting less sleep than you need can cause sleepiness and moodiness, as well as difficulty concentrating, poor coordination and poor work quality.
Overall it's important to try to maintain a consistent and regular sleep cycle. Be aware that when you miss sleep, itll take ______ days to get back on track.
(Adapted from https:/Awexnermedical.osu.edu/)