an object is thr own vertically upwards and rises to a height of 10m calculate 1 the velocity with which the object was thrown upwards and 2 the time taken by the object to reach the highest point
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from v^2=u^2+2gh
since at highest point v=0
and a=-g
u^2=2gh
u^2=2×10×9.8
u=14m/s
from v=u+gt
t=-u/-g=14/9.8
=10/7
u=1.4m/s
since at highest point v=0
and a=-g
u^2=2gh
u^2=2×10×9.8
u=14m/s
from v=u+gt
t=-u/-g=14/9.8
=10/7
u=1.4m/s
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