एक वस्तु को ऊर्ध्वाधर ऊपर की ओर फेंका जाता है। इसकी अधिकतम ऊंचाई पर, निम्नलिखित में से कौन सी राशि शून्य हो जाती है?

Which of the following represents an object possessing kinetic energy?

The total mechanical energy of a system is defined as the sum of its:

A light body and a heavy body have equal momentum. Which one has greater kinetic energy?