Question

An object is suspendedon a spring balance. It shows 40 N in air and 30 N in water. Then,
a) write the buoyancy experienced ?
b) what is the weight of the water displaced by the object?
c) What is the volume of the water displaced by the object?
d) If the density of water is 1000 kg / m3. what is the volume of the object.

pls help me to find the answer. it is very urgent. IX class

who gave me correct answer, i will mark as brainliest
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Answer 1

Answer:

which chapter is this??