Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 9
Work and energy
Textbook based HOTS II
25.
Multiple choice question XXV
Exercise condition:
2
m.
\(200\ J\) of work was done against gravity to lift an object of mass \(1\ kg\) to a particular height. If the body is dropped from that height, what will be its velocity when it reaches the bottom?
\(10\ ms^{-1}\)
\(20\ ms^{-1}\)
\(15\ ms^{-1}\)
\(12\ ms^{-1}\)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!