Answers: 2
SAT, 26.06.2019 00:00
17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?
Answers: 1
SAT, 27.06.2019 08:30
Ahands-free device may only be used if it can be activated or deactivated with a
Answers: 1
Deep space 1 was a spacecraft powered by an engine that gave off xenon particles to change velocity....
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