kinematics
Body A starts from rest with an acceleration a1.
After 2s another body B starts from rest with an
acceleration a2. If they travel equal distances in 5 sec
after the start of A, the ratio a1 : a2 will be equal to :
27 Replies
@Gyro Gearloose
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Note for OP
+solved @user1 @user2... to close the thread when your doubt is solved. Mention the users who helped you solve the doubt. This will be added to their stats.
check the options
and i tried in ur way but the question says that the second body starts after 2sec
i have considered that right, i gave it only 5s
okayy wait sorry
yea
ok
5s after start of A
yea
mb read the q wrong
oh heck ya its right
just apply s=ut+(1/2)(at^2)
u=0
yea but can u tell whats going on with the question
body 1 travels for 5 s, body 2 only for 3 s
cause body 2 started 2s after A
yes
what doubt do you have
but they cover same distance?
yes s1=s2
oh i get it
write equations for s1 and s2 and equate
these are easy qs you should have a command on them
body 1 s = s, t = 5 and body 2 s=s t = 3
yes
tysm
np, make sure you practice more
yea 😅
+solved @coolguy.
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