A bus decreases its speed from 80 km h-1 to 60 km h-1 in 5 sec Find the acceleration of the bus
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FᏆᎡᏚᎢ ᎾF ᎪᏞᏞ ᏟᎻᎪNᏩᎬᎠ KᎷ/Ꮋ ᏆNᎢᎾ Ꮇ/Ꮪ
80KᎷ/ᎻᎡ
1KᎷ=1000Ꮇ
80KᎷ=80*1000
=80,000Ꮇ
1 ᎻᎡ =60 ᎷᏆNᏌᎢᎬᏚ
ᎢᎻᎬN 1ᎷᏆNᏌᎢᎬ =60 ᏚᎬᏟᎾNᎠᏚ
1 ᎻᎾᏌᎡ=60*60
=3600ᏚᎬᏟᎾNᎠᏚ
80,000/3600=22.2m/s
ᏴY ᏟᎻᎪNᏩᎬ 60KᎷ/ᎻᎡ ᎢᎾ Ꮇ/Ꮪ
ᏔᎬ ᏩᎬᎢ,16.6Ꮇ/Ꮪ
ᏔᎬ KNᎾᏔ ᎢᎻᎪᎢ ᎢᎻᎬ FᎾᎡᎷᏌᏞᎪ ᎾF ᎪᏟᏟᎬᏞᎬᎡᎪᎢᏆᎾN
Ꭺ=Ꮩ-Ꮜ/Ꭲ
Ꭺ=16.6-22.2/5= -5.6/5=1.12 Ꮇ/Ꮪ^2
80KᎷ/ᎻᎡ
1KᎷ=1000Ꮇ
80KᎷ=80*1000
=80,000Ꮇ
1 ᎻᎡ =60 ᎷᏆNᏌᎢᎬᏚ
ᎢᎻᎬN 1ᎷᏆNᏌᎢᎬ =60 ᏚᎬᏟᎾNᎠᏚ
1 ᎻᎾᏌᎡ=60*60
=3600ᏚᎬᏟᎾNᎠᏚ
80,000/3600=22.2m/s
ᏴY ᏟᎻᎪNᏩᎬ 60KᎷ/ᎻᎡ ᎢᎾ Ꮇ/Ꮪ
ᏔᎬ ᏩᎬᎢ,16.6Ꮇ/Ꮪ
ᏔᎬ KNᎾᏔ ᎢᎻᎪᎢ ᎢᎻᎬ FᎾᎡᎷᏌᏞᎪ ᎾF ᎪᏟᏟᎬᏞᎬᎡᎪᎢᏆᎾN
Ꭺ=Ꮩ-Ꮜ/Ꭲ
Ꭺ=16.6-22.2/5= -5.6/5=1.12 Ꮇ/Ꮪ^2
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