First slide
Projection from a balloon
Question

A Balloon rises up with constant net acceleration 10m/s2. After 2s a particle drops from the balloon. After further 2s,
Match the following colums (Take g=10m/s2)

 Column-I  Column-II
A.Height of particle from groundP.zero
B.Speed of particleQ.10 SI units
C.Displacement of particleR.40 SI units
D.Acceleration of particleS.20 SI units
 ABCD
1.PRSQ
2.RPQS
3.PSRQ
4.RPSQ

Moderate
Solution

Initial speed of particle = 20m/s Initial height of particle =20m After further 2 s, particle will travel 20m more and reach at heighest point. 

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