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Sahay Sir > Question Answers > MTG NEET Physics > Part 1 > Chapter 4 - Motion in 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 body moves in a plane so that the displacements along the x and y axes are given by x=3t^3 and y=4t^3. The velocity of the body is :