hot air balloon weighing 30n is tied to the ground by a string to prevent from floating of the ground. the volume of the balloon is 20m^3 and the density of air is 1.3 kg kgm^-3.find force exerted by the rope on the balloon

Because the sun is the biggest and if the sun orbits the earth we will be dead probably

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From my calculation, i got 3.655moles

Aself-report inventory  is a type of  psychological test  used in personality assessment. this type of test is often presented in a paper-and-pencil format or may even be administered on a computer. a typical self-report inventory presents a number of questions or statements that may or may not describe certain qualities or characteristics of the test subject.