我想問呢,如果今年mc 扣11分,大約C唔C倒?
同埋Long Q,第2題,有個人打排球跳起,佢點樣去gain intial speed,use Newton's Law to explain:我用Newton's 2nd Law F=ma去answer 得唔得?我問過一個Phy 老師話maybe 得,但個個都答3rd law,咁即係right or wrong?
Last就係Long Q 畫graph heavier metal個題——L 條線,應parallel or cross?