how to do three kinematics problems?

Someone help please, I can't figure it out
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20 Replies
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@Gyro Gearloose
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Opt
Opt9mo ago
Question no.? 27 is B 28 is also B by my reckoning @ashmit
ashmit
ashmitOP9mo ago
Yeh that's correct, how do you do it?
Opt
Opt9mo ago
Which one?
ashmit
ashmitOP9mo ago
27, and also do you know 26 and 28?
Opt
Opt9mo ago
Will do 26. Gimme a minute You got the time of flight for 27 right. Unke ratio le lo.
Opt
Opt9mo ago
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Opt
Opt9mo ago
I'm not getting 26 smh
ashmit
ashmitOP9mo ago
What about 28
Opt
Opt9mo ago
28 is the easiest Look, since they meet at point of maximum height, the vertical component of each velocity vector has to be the same right? But vB has only a vertical component and no horizontal component. So, vB = vAsinθ
hardcoreisdead
hardcoreisdead9mo ago
26 27 28 all are B
ashmit
ashmitOP9mo ago
Explain bhi kardo pls
hardcoreisdead
hardcoreisdead9mo ago
26 is pretty standard , projectile up the incline mein angle of projection is 45- x/2 where x is angle of incline so uss se b aa jayega 27 mein time dono ka shi nikala (good) uske baad bas ratio nikalna hai using basic trig
hardcoreisdead
hardcoreisdead9mo ago
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RisingPhoenix
RisingPhoenix9mo ago
Hi @nermal
nermal
nermal9mo ago
hmmm ashmit left the server i think he forgot to close the doubt @RisingPhoenix will fix this dont worry
RisingPhoenix
RisingPhoenix9mo ago
A man die not his idea 💀
nermal
nermal9mo ago
+close @hardcoreisdead +solved @hardcoreisdead
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