Answer:
Maybe she kicks it to a wall and it bounces back to her?
Explanation:
Try doung the mri or a ultrasound insyead to get ur answer
Because AC emf is a sine wave
You can look at magnesium, it can react with oxygen to form oxides. (chemical) it is malleable and a solid at room temperature. (physical)
to measure its density, the mass and volume can be worked out and from this density too. look up the equation, it is quite easy :)
physical changes -- it can be melted, and oxidized <span />
Answer:
Yes,the law of conservation of momentum is satisfied.The momentum before the collision is 1.5 kg.m/s and the total momentum after the collision is 1.5kg.m/s.The momentum before and after the collision is the same.