7%) Problem 8: Find the ranges shown for the projectiles in the figure for an in

Question

7%) Problem 8: Find the ranges shown for the projectiles in the figure for an initial speed of 50 m/s at the given initial angles -50 m/s 75 45° Otheexpertta.com 33% Part (a) What is the range, in meters, for the projectile with the angle of 15°? Grade Summary Deductions Potential 0% 100% tanO jt ( acos) Submissions Attempts remaining: 20 (0% per attempt) detailed view sin cos0 cotanOasin0 atan)acotanO sinh) coshO tanh0 cotanh0 Degrees Radians 0 Submit Hint I give up! ac lints: 0% deduction per hint. Hints remaining: 4 Feedback: 0% deduction per feedback. 33% Part (b) What is the range, in meters, for the projectile with the angle of 45°? ilà 33% Part (c) What is the range, in meters, for the projectile with the angle of 75°?

Explanation / Answer

Solution:

Part a)

Range (R) = u^2 sin2 theta /g

R=50^2 sin 2(15) / 9.8

R=127.55 m (Ans)

Part b)

Range (R) = u^2 sin2 theta /g

R=50^2 sin 2(45) / 9.8

R=255.10 m (Ans)

Part c) Range (R) = u^2 sin2 theta /g

R=50^2 sin 2(75) / 9.8

R=127.55 m (Ans)

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Good luck!:)

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