ONE QUESTION, ONE STEP
ZX-40305D97912025年6月国际B卷 · 第 16 题
2025年6月国际B卷 · 原库模块 1 · Q16 原库参考解析
The kinetic energy K, in joules, of an object is given by the formula \( K=\frac{1}{2}mv^2 \), where m is the mass of the object, in kilograms, and v is the velocity of the object, in meters per second. If the kinetic energy of a certain object can be found by using the formula \( K=98v^2 \), what is the mass of the object, in kilograms?
参考答案：
解题思路
容易忽略的一步
