Question

pls tell any of the answer

Answer 1

3)  u=0
t=2 sec
v=?

v=u+at
v=0+9.8*2
v=19.6

Answer 2

1). (i)10×18/5 =36 km/h
ii)180×5/18=50m/s
Generally we use 5/18 to conver km/h to m/s and 18/5 to convert m/s to km/h
2)
i)10m
ii)15m
iii)10m
iv)5m
v)5m

Hope it helps...