A projectile is fired from the surface of the earth with a velocity of 5 ms -1 and angle with the horizontal. Another projectile fired from another planet with a velocity of 3 ms -1 at the same angle follows a trajectory which is identical with the trajectory of the projectile fired from the earth. The value of the acceleration due to gravity on the planet is (in ms -2 ) given g = 9.8 m/s 2

1. A. 3.5
2. B. 5.9
3. C. 16.3
4. D. 110.8

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