The velocity of the projectile is 9.8 m/s2 You now know the initial speed of the

Question

The velocity of the projectile is 9.8 m/s2

You now know the initial speed of the projectile and you will be told a starting position and assigned a firing angle. Calculate the range of your projectile, Show your work. At home you should calculate the maximum and minimum ranges based on the range of velocities estimated earlier. The ball will be returned to you for a test firing. You will be asked to launch your projectile at the assigned angle from the starting position. Initial Launch positions x_0 = _________, y_0 = __________; Group Launch Angle = _____ Predicted Average Range = ____________; (this must be shown to the instructor before launch.) Minimum and Maximum Range = ______________ (based on deviation of Speed) Result of Launch = ___________; Were your results consistent with your prediction? Did your launch results fall within the deviation in range you estimated?

Explanation / Answer

Given that

velocity of the projectile v=9.8 m/s^2

angle =30 degree

step;2

now we find the average Range

the average range R=u^2*sin(2*theta)/g=9.8^2*sin(2*30)/9.8=0.15 m

=> angle =45

maximum rangeRmax =9.8^2/9.8=9.8 m

=>angle =90 degree

minimum range =0

therefore the launch =9.8 m

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