Questions
A car accelerates from rest at a constant rate of 2 ms-2 for some time. Then it retards at a constant rate of 4 ms-2 and comes to rest. It remains in motion for 6 s.
detailed solution
Correct option is A
a1=2ms−2,a2=−4ms−2v0=a1t1=2t1,v0=a2t2=4t2t1+t2=6⇒v02+v04=6 ⇒v0=8ms−1Total distance travelledS=AC+CB=12v0t1+12v0t2=12×8×6=24mTalk to our academic expert!
Similar Questions
A ball is dropped from a height of 49 m, the wind blows horizontally and imparts a constant acceleration of 4.90 ms-2 to the ball. Choose the correct statement(s).
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests