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3. The volume of a cork stopper is 8 cm³; the density of the cork is 300 kg / m², What is the mass of the cork?


5. In a 100 m race an athlete moves for a short distance at a constant speed of 36 km / h. how long would it take to go through your classroom?

Answer :

MalihaTareen

Explanation:

3.

Data:

density = 300 kg/m2

volume =8cm3

mass=?

Solution:

d=m/v

rearranging

m=dv

putting the values

m= 300×8

=2400kg

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