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N76 [4]
3 years ago
8

On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 9 k

g weighs 45 N. Calculate the mass of another object that weighs 30 N.
Mathematics
1 answer:
nadya68 [22]3 years ago
5 0

Answer:

6 kg

Step-by-step explanation:

Given is weight of an object directly varies with the mass of the object .

Let the constant of proportionality be k

So,

Weight = K×(mass of the object)

For an object , weight = 45 N

                        mass = 9 kg

So , 45 = K×9

      K = 5.

Now, for the other object ,

Weight = 30 N. K = 5 (as obtained above)

So, 30 = 5×(mass of the object)

mass of the object = 6 kg.

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