October 2018 2 26 Report

Silnik modelu rakiety wyrzuca w czasie t=2 s masę m=0.2 kg gazu z szybkością v=2000 m/s. Oblicz siłę ciągu tego silnika. Tarcie pomijamy.


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Pizza is a typical Italian ...........a. dish b. eat c. kitchen d. plateYou can always trust and depend on people who are .............a. moody b. reliable c. sensitive d. independentWhat ............. she do if she lost her job?a. will b. would c. does d. didShe really enjoyed the film .................. of the sad ending.a. in spite b. despite c. apart d. althoughA: "I can't drive." B: "Neither ........ I.a. can't b. can c. do d. driveThey ........... us 50 dollars for a bottle of winea. cost b. ordered c. charged d. countedMoney that you borrow from a bank is a ...........a. loan b. price c. tax d. wageJane suggested ................. for a long walk in the raina. going b. go c. went d. to goJohn is going to ......... .a. have his hair cut b. let his hair cut c. go his hair cut d. have cut his hairI bumped ............ an old friend of mine in the street yesterday.a. into b. to c. at d. by I’ve .......... for a job in British Airways IT departmena. put b. sent c. applied d. waitedI’ll say goodbye now because you ................ by the time I come backa. are going to leave b. will left c. will leave d. will have leftShe takes ........... her mother. They both have blue eyes.a. by b. to c. for d. afterWe have to buy an oven for the kitchen and a ............. for the bathroom.a. washbasin b. stove c. freezer d. sinkShe has lost her keys. She ............. them somewhea. may drop b. must have dropped c. had to drop d. must dropAnn told me that she ........... on holiday in Peru.a. had been b. will be c. has been d. wereWhat’s that? It sounds ......... a bird singing.a. like b. as if c. as though d. as
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