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1.  230 kg...

W = m * g

W= 230 kg  * 9.81 m/s^2

W=  2256,3 N

     m= 230kg ,   W = 2256,3 N , g= 9.81 m/s^2

2.  887 N

W= m * g

887 N = m * 9.81 m/s^2

m= 90,42 kg

     m= 90,42 kg,  W = 887 N ,  g= 9.81 m/s^2

3.  420 kg

W= m * a

w= 420 kg *  9.81 m/s^2

w=  4120,2 N

     m=  420 kg , W = 4120,2 N , g= 9.81 m/s^2

4. Determine the gravity on Pluto where a 15 kg object weighs 55.5N.

w = m * g

55.5 N = 15 kg * g

a=  3,7 m/s^2

     m = 15 kg , W= 55.5 N , g=  3,7 m/s^2

1)m=230 kg

 w= 2254( approximately 2300) newtons

g= 9.8 m/s^2(approximately 10)

2)m= 90.5( approximately 88.7) kg

  w= 887 N

  g= 9.8 m/s^2(approximately 10)

3) m= 420 kg

   w= 4,116 (approximately 4220

   g= 9.8 m/s^2(approximately 10)

4) m=15kg

   w=55.5N

   g=3.7 m/s^2

Explanation:

The wanswers given in brackets is to signify the results of using 10m/s^2 as the gravity if u have any misunderstanding text back

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explanation:

elctricity and magnet is conversion to it