Answer :

Despina

Answer:

8.82 Joules

Explanation:

The formula to calculate the work done is :

Work done = mgh

where :

m is mass of the object

g is gravitational constant (g = 9.8 m/s²)

h is height

substitute the required values in the above formula

Work done = 0.9 × 9.8 × 1

Work done = 8.82 Joules

Hence, the required work done is 8.82 Joules

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