Physics

3 July, 09:58

Scientists are experimenting with a king of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 5.0kg projectile from rest to speed of 4.0 x 10^3 m / s. The net force accelerating the projectile is 4.9 x 10^5N. How much time is required for the projectile to come up to speed?

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