A particle of mass.m. is projected with a velocity .u. at an angle . theta. with the horizontal. Work done by gravity during its descent from its highest point to a point which is at half the maximum height is

A particle of mass.m. is projected with a velocity .u. at an angle . t

1.	A particle of mass.m. is projected with a velocity .u. at an angle . theta. with the horizontal. Work done by gravity during its descent from its highest point to a point which is at half the maximum height is
Answer» <html><body><p>0<br/>`(mu^(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>) <a href="https://interviewquestions.tuteehub.com/tag/sin-1208945" style="font-weight:bold;" target="_blank" title="Click to know more about SIN">SIN</a>^(2)theta)/4`<br/>`1/2mu^(2) sin^(2)theta`<br/>`1/2mu^(2)cos^(2)theta` </p>Answer :B</body></html>