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even i have the same doubt

A/2 lies between 2n

-3

/4

& 2n(pi)-pi/4

rates will be awarded surely

If a ball is thrown vertically

upwards with speed u, the

distance covered during the

last " t " seconds of its

ascent is

a)[u+gt)t

b)ut

c)1/2gt^2

d)ut-1/2gt^2

plz help

A BALLOON is ascending vertically

with an acceleration of 0.4m/s^2 . Two

stones are dropped from it at an interval of

2 sec . find the distance between them

after 1.5 sec after the second stone is

released. take g=10m/s^2.

pls do it

pls help

pls help me??expertz

Two cars are travelling

towards

each other on a straight line

at

velocities 10m/s &12m/s.

when

they are 150m apart , both

drivers apply their brakes

and

each car decelerates at

2m/s^2

until it stops.how far apart

will

they be when they have

both

come to rest??

thanks prahalad

answer is actually 52 written in the book .can u say me the method

experts tlz help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

rates will be awarded surely

i will rate surely

pls help me !!!!!!!!!!