ch10 tủ tài liệu training
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: ch10 tủ tài liệu training
ch10 tủ tài liệu training
I.(a) The second hand of the smoothly running watch turns through 2/7 radians during 60 s. Thus.(I) == 0.105 rad/s.60(b)The minute hand of the smoothl ch10 tủ tài liệu trainingly running watch turns through lit radians during 3600 s. Thus.=-77-= 1.75x10”3 rad/s.3600(c)The hour hand of the smoothly running 12-hour watch turns through 2k radians during 43200 s. Thus.2n= 1.45 X 10 rad / s.432002The problem asks US to assume vcoinand (Ware constant. For consistency of units, ch10 tủ tài liệu trainingwe writev«-.=(85mi/h)5280 fl/mi 1, ....= 7480 ft/min .60min/h !Thus, with = 60 ft, the time of flight is r = Aa/v^ = 60/7480 = 0.00802 min . During thch10 tủ tài liệu training
at time, the angular displacement of a point on the ball's surface is0 = (tx = (1800rev/min)(O.OO8O2 min) - 14rev .3We have (D= lO^rad/s. Since (X- 0.I.(a) The second hand of the smoothly running watch turns through 2/7 radians during 60 s. Thus.(I) == 0.105 rad/s.60(b)The minute hand of the smoothl ch10 tủ tài liệu trainingds to I revolution).(a)At/] :\f)= 2^-rad the dot appears at the "12:00" (straight up) position.(b)Al fĩ_. Aơ= 4/rrad and the dol appears al the “12:00” position.Ar = 0.050 s, and we explicitly include the I/2k conversion (to revolutions) in this calculation:Ai9= (11 = (IO;r rad/s)rt(0.050 s)(-^;j = ch10 tủ tài liệu trainingw , Vi, %, I,... (revs)(c)At/](n=l ).A(9= 1/4 rev and the dot appears at the "3:00“ position.(d)Al/i(n=2).AỚ = 1/2 rev and lhe dot appears al the "6:0ch10 tủ tài liệu training
0" position.(e)Al/Un=3). A#= 3/4 rev and the dot appears at the "9:00" position.(f)At/«(n=4). Aớ = I rev and the dot appears at the “12:00” position.NI.(a) The second hand of the smoothly running watch turns through 2/7 radians during 60 s. Thus.(I) == 0.105 rad/s.60(b)The minute hand of the smoothl ch10 tủ tài liệu trainingin.(g)Al /](n=l).AỚ= 0.2 rev and the dol appears al the "2:24" position.(h)At /2(11=2), Aớ= 0.4 rev and the dot appears at the “4:48" position.(i)Al yj(n=3), Aớ= 0.6 rev and lhe dol appears al lhe "7:12” position.(j)At /i(n=4), Aớ= 0.8 rev and the dot appears at the "9:36" position.(k)Al /j(n=5). Aớ ch10 tủ tài liệu training= 1.0 rev and lhe dol appears al lhe “12:00” position.I.(a) The second hand of the smoothly running watch turns through 2/7 radians during 60 s. Thus.(I) == 0.105 rad/s.60(b)The minute hand of the smoothlI.(a) The second hand of the smoothly running watch turns through 2/7 radians during 60 s. Thus.(I) == 0.105 rad/s.60(b)The minute hand of the smoothlGọi ngay
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