Flag General Physics> projectile...
question mark

one second after projection, a stone moves at an angle of 45 degree with horizontal. Two second after projection it moves horizontally. What is the angle of projection?

Mostafijur Rahaman , 11 Years ago
Grade 12
anser 1 Answers
Mostafijur Rahaman

Last Activity: 11 Years ago

.if initial velocity is u, angle @.. Then at 1s,v1cos45=ucos@ =>v1sin45=ucos@(as cos45=sin45) after another 1s, v2sin0=v1sin45-g =>0=ucos@-g =>ucos@=g also after 2s, v2sin0=usin@-2g =>usin@=2g =>usin@=2ucos@ =>tan@=2
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments