Two objects on Earth are dropped from the top of a building that is 70 meters high. Object A has a mass of 12 g and object B has a mass of 6 kg. Assuming there is no air resistance, which object will hit the ground first?
Without air resistance, the only force acting on the two objects is the Earth’s gravitational field. Consequently, the acceleration of both object A and object B is independent of mass, and every second, both velocities will increase by 9.8 meters per second. Given that both objects are dropped from the same height, and they both travel at the same rate, they will both hit the ground at the same time.
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