Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Velocity of a particle moving with uniform acceleration at some instant is 10 m/s.  After 5 seconds from that instant its velocity becomes 20 m/s.  Its velocity 3 seconds before the instant is

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

8 m/s

b

4 m/s

c

6 m/s

d

7 m/s

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

v=u+at  :   20=10+5 a  ;   a=2 velocity 3 sec before v=u-at ;  v=10-3×2= 4 m/s
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Velocity of a particle moving with uniform acceleration at some instant is 10 m/s.  After 5 seconds from that instant its velocity becomes 20 m/s.  Its velocity 3 seconds before the instant is