Can anyone explain this answer?
Attachments:
Answers
Answered by
1
initially speed=20km/hr
final speed=50km/hr
time=10sec
First step is to convert the units into like units.
hence initially speed =5.5m/s
final speed =13.8m/s
now acceleration=change in velocity /time take
= 13.8-5.5/10
=8.3/10
'' =0.83m/s
final speed=50km/hr
time=10sec
First step is to convert the units into like units.
hence initially speed =5.5m/s
final speed =13.8m/s
now acceleration=change in velocity /time take
= 13.8-5.5/10
=8.3/10
'' =0.83m/s
Similar questions