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A man weighs 600N on the surface of earth. What would be his mass and weight on the surface of moon? (take of g_earth = 10m/s²).
A stone dropped from a window reaches the ground in 0.5 seconds -
Calculate the weight of an astronaut of mass 60 kg on the surface of the earth and on the surface of the moon. Also calculate the ratio of mass of astronaut on the surface of the earth and on the surface of the moon. Given that acceleration due to gravity on the surface of moon is one-sixth of that on the earth.
Distinguish between mass and weight of an object. Write at least two points.
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
Two stones are thrown vertically upwards simultaneously with their initial velocities u₁ and u₂ respectively. Prove that the heights reached by them would be in the ratio of u₁² : u₂² (Assume upward acceleration is –g and downward acceleration to be +g).
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