The javelin has a sharp point, which is more obviously dangerous than the discus; moreover, the discus is actually more likely to injure bystanders because, especially when wet, it can slip out of the thrower's hand and fly in a random trajectory.

Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2