此API计算自由落体速度和距离，适用于任何物体。采用自由落体方程，假设重力加速度恒定，忽略空气阻力。用户可计算最终速度、落体距离，并探索历史最高自由落体实例。
{
"purchaseCount": 0,
"pv": 5,
"globalHotValue": 0,
"updateDt": 1756918279404,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 800,
"chinaHotValueDouble": 0,
"selectedValue": 800,
"chinaHotValue": 0,
"hotValueDouble": 0
}
线性动量计算器API产品，通过输入质量和速度计算动量，支持二维和三维动量分量计算，并结合牛顿第二定律和动量守恒定律帮助用户理解动量变化。
{
"purchaseCount": 0,
"pv": 2,
"globalHotValue": 0,
"updateDt": 1756918278585,
"hotValue": 0,
"todayChainPv": 0,
"todayGlobalPv": 0,
"americaHotValueDouble": 0,
"globalHotValueDouble": 0,
"todayAmericaPv": 0,
"americaHotValue": 0,
"selectedValueDouble": 800,
"chinaHotValueDouble": 0,
"selectedValue": 800,
"chinaHotValue": 0,
"hotValueDouble": 0
}
