Multiple Choice Question 3.6 Part A 30° 20m A pro ect le is fired from the origi

Question

Multiple Choice Question 3.6 Part A 30° 20m A pro ect le is fired from the origin at y = 0 m as shown in the figure. The initial velocity components are V 1-550 m s and V y-97 m/s. The projectile reaches maximum height at point P, then it falls and strikes the ground at point Q. In the figure, the y-component of the acceleration of the shell at point P is closest to: zero O -10 m/s2 O +10 m/s O -5 m/s2 Submit My Answers Give Up Incorrect; Try Again; 5 attempts remaining Provide Feedback Continue

Explanation / Answer

The correct answer is third option. Because the only acceleration acting vertically is gravitational acceleration which has value -9.8 m/s2 which is closest to -10m/s2 .answer is negative because the acceleration is in downward direction

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