Ana is riding a rollercoaster. At the end of the rollercoaster, there is a small hill. At the top of the hill, she has 1060J of potential energy and at that same point has 900J of kinetic energy. How much mechanical energy does she have?

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the correct answer is:

a. formation of precipitation

weight of any object is given by

w = m*g

where m is mass of the object and g is the acceleration due to gravity.

for earth the value of g is 9.8 m/s^2 so

w=117.6 n m=12 g=?

117.6=12g => g=9.8 m/s^2

which is the force of gravity on earth.