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Senior High
Physics
่งฃใๆนใใๅใใใพใใ๐ญ
Senior High
Physics
็ฉ็ใฎๅ้กใงใใ7็ชใฎๅ้กใซใคใใฆ็ญใใโ6.0m/s2 (่กจ่จใใใใใงใใใใฟใพใใใ)ใซใใใใใใใใงใใใใ๏ผ ใฉใชใใใๅ็ญใใใใใ้กใใใพใ๐๐ฆ
Senior High
Physics
(5)ใซใคใใฆใงใใ ใใคใฉใคใใใ้จๅใฏๅๆฏๅใฎ้ๅๆน็จๅผใชใฎใซใ้ขใใใkc ใฎ็ฌฆๅทใฏ่ฒ ใซใชใฃใฆใใชใใฎใงใใใใ๏ผ ๅพกๅ็ญใใใใใ้กใ่ดใใพใใ
Senior High
Physics
ใชใฮธใ30ยฐใจๅใใใฎใงใใใใ๏ผ
Senior High
Physics
aใจbใใใใใชใใฆใaใฏAใEใ็ญใใ ใจๆใฃใใฎใงใใใใ bใฏDใจHใใจใใ ใชใใใใชใใฎใๆใใฆๆฌฒใใใงใ๏ผ๏ผ
Senior High
Physics
็ญใๆใใฆๆฌฒใใใงใ
Senior High
Physics
้่ฆๅ้ก้็ฉ็10็ช ใชใใๅผตๅใงใAP้จๅใ่ๆ ฎใใชใใฎใใ (2)ใฎ่งฃ่ชฌใใ้กใใใพใใ
Senior High
Physics
ๅ็ดใช่ณชๅใใใใใพใใใ้ซ1็ฉ็ใงใใ (4)ใฎๅ้กใชใใงใใใฉใใใใฏๆใกไธใใฆใใๆ้ซ็นใฎๆ้ใจใๆ้ซ็นใใๅฐ้ขใพใงใฎๆ้ใๅใใใใฎใฏ้ใใพใใ๏ผ่งฃ็ญใฏๆใกไธใใฆใใๅฐ้ขใพใงใจใใฎใพใพ่ใใฆใใฆใๅ ฌๅผx๏ผvโt+1/2atยฒใไฝฟใฃใฆใโ78.4=29.4t+1/2ร(-9.8)tยฒ(ไธๅใใๆญฃใจใใ)ใจใชใใt=8.0sใจใชใฃใฆใพใใ
Senior High
Physics
ไปฅไธใฎๅ้กใๆใใฆๆฌฒใใใงใใ ใใฏใใซใจใใ็ฟใฃใฆใชใใฎใง็ดฐใใๆใใฆๆฌฒใใใงใใ
Senior High
Physics
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