Questions
A ball is thrown vertically upwards with a speed $u$. It reaches a point at a height (lower than the maximum height) after time . It returns to the ground after time from the instant it was at during the upward journey. Then, is equal to
detailed solution
Correct option is A
Total time of jouney is t1+t2Therefore, 2ug=t1+t2Further,h=ut1-12gt12 or h=gt1+t2t12-12gt12 or gt2=2h ∴ t1t2=2hgTalk 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.
free study material
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
