During fuel burn, the vertically launched terrier-sandhawk rocket had an acceleration of 300 m/s2 (about 30 times free-fall acceleration called 30 g). the fuel burned for 7.0 s . find the height of the terrier-sandhawk rocket at the end of fuel burn.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.