September 2018 1 71 Report

Wyciągarka zasilana z akumulatora napięciem 12 V może wciągnąc wiadro z cementem ważace 14 kg na wysokość 3m w ciągu 10s Jakie jest natężenie prądu płynącego przez silnik wyciągarki? Pomiń opory ruchu.

UZUPEŁNIJ :

Masa wiadra m=

Wysokość, na jaką zostaje podniesione h=

Przyrost jego energi potencjalnej: /\ Ep=mgh=

Praca wykonana przez silnik wyciągarki W=

Moc silnika P=w/t =

Napięcie: U=

Natężanie prądu: I=


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Przetłumacz na język polski ale dokładnie !! Beauty therapists can specialise as beauty consultants.A beauty consultant also referred to as a cosmetic consultant , is a trained senior sales assistant who promotes one or more brands of cosmetic products in department stores and pharmacies.Beauty consultants provide advice on the choice, purchase and application of cosmetics.As a rule, this job requires additional training in selling techniques as well as an outgoing personality and communicative skills.A beauty therapist is concerned with facial and body treatments , waxing, manicure, pedicure, eyelash and brow tinting and make-up application. there are three groups of beauty therapists:1-salon or spa beauty therapists who are concerned with regular skin care, including its revitalisation, rejuvenation and relaxation 2-medical beauty therapists who cooperate with medical staff and focus on the pre-and post-operative care of the patient . they deal with skin problems such as acne , post-acne scaring , chemical peelings. 3-clinical beauty therapists who work independently within a clinical setting such as a skin care or salon. They concentrate on clinical aspects of the skin and are responsible for spa services. Beauty therapists should be impeccably groomed , pleasant and tactful at all times. they should have genuine interest in people, be sensitive to their responses and considerate of their needs. they must also have good manual skills and perfect eye-hand coordination.
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