A body travels 150 cm in the first 2 seconds and 210 cm in the next 4 seconds . What is the velocity at the end of the 9th second?
Answers
Answered by
1
360Is the answer right
Answered by
5
hii
distance travelled in 2 sec=150cm
distance travelled in 6 sec=150+210=360cm
velocity=360/6=60
accn=60-0/6=10cm/s2
velocity in 9 sec=10×9=90cm/s2
distance travelled in 2 sec=150cm
distance travelled in 6 sec=150+210=360cm
velocity=360/6=60
accn=60-0/6=10cm/s2
velocity in 9 sec=10×9=90cm/s2
Similar questions