You have landed on an unknown planet, Newtonia, and want to know what objects will weigh there. You find that when a certain tool is pushed on a frictionless horizontal surface by a 12.8 N force, it moves 17.0 m in the first 2.10 s, starting from rest. You next observe that if you release this tool from rest at 10.0 m above the ground, it takes 2.88 s to reach the ground. What does the tool weigh on Newtonia (in N)?What would it weigh on Earth (in N)?

Explanation:

The given data is as follows.

    = 0,     = 0,       = 0

    = 17.0 m,       = 2.10 sec

As the force P is constant and the mass "m" of the tool is constant then it means that the acceleration "a" will also be constant.

Now,

                 =

               17.0 = 2.205a

               a =

Also, we know that

                       F =

                   m =

So,              m =

                       = 1.66 kg

Since, the tool is subject to its weight W and is in free fall. Hence,

     10.0 m =        

           g = 2.411

Hence, weight of tool in Newtonia is as follows.

                   W = mg

                       =

                       = 4.00 N

Hence, weight of the tool on Newtonia is 4.00 N.

And, weight of the tool on the Earth is as follows.

                  W =

                      = 23.62 N

Hence, weight of the tool on Earth is 23.62 N.

the answer would be 32*f

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