Consider a hot air balloon floating 3000 m above the ground. If the basket has a mass of 80 kg, and the mass of the people flying it totals 375 kg, what is the potential energy of the hot air balloon basket? A.) 109,200,000 J
B.) 90,000,000 J
C.) 13,377,000 J
D.) 3.14 J

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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we need to know the time interval during which the force acts. impulse of force = momentum change

the answer is a. hope this .

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.