Cardiovascular endurance the amount of force your muscles can produce the range of movement possible at various joints the percentage Of a body weight is made up of fat when it is compared to other lean tissues such muscle the ability to use your muscles many times without tiring the ability to exercise your body for long periods of time without stopping

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If the heat engine is a perfect carnot cycle engine, thenefficiency = (t2-t1)/t2   where t1=temperature of cold reservoir ( ° k) = 135            t2=temperature of hot reservoir ( ° k)   = 325thereforeefficiency = (t2-t1)/t2 = (325-135)/325 = 0.5846 = 58%  note: this is the theoretical maximum efficiency of a perfect heat engine.   real-life engines do not achieve this value.