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What angle above the horizontal should a projectile be fired to produce the greatest downrange distance?
its 45 degree
Why sine bar is not reliable above 45 degree?
We know that sin @ = h/l is the basic principle of working of sine bar.Differentiating above equation,.. . cos @ . d@ = l.dh - h.dl_________ l*ld@ =tan@(dh/l - dl/l)This indicate that error is a function of tan @ and below 45 degree error is smaller which suddenly increases above 45 degree. because of this reason sine bar is preferred for measuring angle below 45
What is the formula for a 45 degree lateral on 6 inch weld pipe?
formula for a 6" 45 degree lateral onto a 6" main
What part of a complete revolution is an angle of 45 degrees?
8
Why does an object thrown at 45 degrees travel the farthest?
This is true when the object lands at the same height as it was thrown, but not necessarity if the two are different. You can think of the motion in two parts; it moves upward and it moves sideways. If you throw it at a high angle, it won't have much of the sideways motion and won't travel far. If you throw it at a low angle, you won't have much upward motion and it will hit the ground before travelling too far. Try playing with the following simulator.look at the Related Link below for more information
