阿摩線上測驗
登入
阿摩線上測驗
登入
3. The figure shows block 1 (with velocity 10 m/s) sliding into a stationary block 2 (mass m2 = 6.0 kg), which ends up with a velocity of 
= 5.0 m/s. The collision is elastic. What is the mass (kg) of block 1?_____
