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Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 4 - Motion in a Plane > A projectile is fired from the surface of the earth with a velocity of 5ms^−1 and angle θ with the horizontal. Another projectile fired from another planet with a velocity of 3ms^−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 is given (g = 9.8ms^−2)

A projectile is fired from the surface of the earth with a velocity of 5ms^−1 and angle θ with the horizontal. Another projectile fired from another planet with a velocity of 3ms^−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 is given (g = 9.8ms^−2)

A particle has an initial velocity of (3i^ + 4j^)​ and an acceleration of (0.4i^ + 0.3j^)​. Its speed after 10s is: