Mathematics, 22.04.2020 01:55, hejdiidid9311
Two pulleys, one with radius r1 and the other with radius r2, are connected by a belt. The pulley with radius r1 rotates at Ï1 revolutions per minute, whereas the pulley with radius r2 rotates at Ï2 revolutions per minute. Show that r1/r2=Ï1/Ï2.
Answers: 3
Mathematics, 21.06.2019 13:30, belle200163
Two fire-lookout stations are 190 miles apart, with station a directly south of station b. both stations spot a fire. the bearing of the fire from station a is upper n 55 degrees upper e and the bearing of the fire from station b is upper s 60 degrees e. how far, to the nearest tenth of a mile, is the fire from each lookout station?
Answers: 1
Mathematics, 21.06.2019 18:30, gabrielaaaa1323
At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.
Answers: 2
Two pulleys, one with radius r1 and the other with radius r2, are connected by a belt. The pulley wi...
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