<span>A substance that cannot be divided into smaller substances by chemical means is called an Element. (gold, iorn,ect...)
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The movement of air flows from high pressure to low pressure
Momentum = (mv).
<span>(2110 x 24) = 50,640kg/m/sec. truck momentum. </span>
<span>Velocity required for car of 1330kg to equal = (50,640/1330), = 38m/sec</span>
