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Grade: 12

                        

Show that for a projectile d 2 (v 2 ) / dt 2 = 2g 2 . my question is just it, iam writting more because it need 50 characters at least to post my question.

4 years ago

Answers : (1)

Vikas TU
12119 Points
							
write the newton's laws of eqns in x direction and y i direction respectively for velocity after doing components of them.
Then differntiate it w.r.t time 2 times and then take the resulatnt.
or U can also do it from the trajectory motion eqn.
.i.e.
 y = xtanthetha – gx^2/2u^2costhetha.
4 years ago
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