Question: How far will a stone travel over level ground if it is thrown upward at an angle of 31.0 degrees with respect to the horizontal and with a speed of 11.0m/s?(adsbygoogle = window.adsbygoogle || []).push({});

What is the maximum range that could be achieved with the same initial speed?

I have tried to solve this with no sucess what i have done is Drawn a triangle with a angle being 31.0 degrees the opposite side from the angle is Vy the adjacent side is Vx the hypothesis is 11.0m/s then i drew a chart with X and Y X side of the chart I have Vx= 10.06216594 a=0 then on the y side i have

Vy=-4.444414099 a=-9.8 the Vf=0m/s I used the formula Vf=Vi+At and solved for time and got

.453116428 then i used d=Vi*t+1/2At^2 and solved for D and got 2.132070497 for the first question (But was told this was not correct)

For the second question i doubled the time and multiplied by Vx D=10.06216594 (0.906232856) and got 9.118665377 but it was wrong !

Is there anyone who might be able to help me Please???

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# Projectile motion range

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