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1. The projectile velocity of the bullet is calculated using the formula v = u + g t, where u is the initial velocity, g is the acceleration due to gravity, and t is the time.
子弹的投射速度通过公式v=u+g*t计算，其中u是初始速度，g是重力加速度，t是时间。
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2. In ballistics, the projectile velocity is measured in meters per second (m/s) and is used to calculate the distance traveled by a projectile during its flight.
在弹道学中，投射速度以米每秒
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3. The trajectory velocity of a rocket can be calculated using the formula v = u + g * t, where u is theinitial velocity, g is the acceleration due to gravity, and t is the time.
火箭的轨迹速度可以通过公式v=u+g*t计算，其中u是初始速度，g是重力加速度，t是时间。