Calorie is a unit of energy.
Specifically, it is defined as the energy that is needed to raise the temperature by one degree Kalvin (or Celcius, which is the same) of one gram of water in an earth's atmosphere.
Figure 2.17 Car<span> accelerating from rest to 60 mph or 27 m/s. it. The unit ... In other words: 1 </span>newton<span> 5 1</span>kilogram<span>-meter/second2 EXAMPLE2.1 An airplane with a </span>mass<span> of 2,000 </span>kilograms<span> is observed to be accelerating at a rate of 4 m/s2. What is ... Recall that any freely falling body </span>has<span> an acceleration equal to </span>g<span> (</span>9.8<span> m/s g 2</span><span>).</span>