- If a star is 30 parsecs away, what is its approximate distance in light years?

Discover Questions

Use the Half Angle Formulas to find the exact value of the following. sin(7pi/8)? Can some one figure this one out:
A car pass by in 1.8 seconds what is the average speed of this passing car? Valid number not decimal? A lead vat is 20 m long at room temperature (20°C). How much longer is it when it contains boiling water at 1 atm pressure? 4.50-g copper at 25.0 °C is heated by 145 J of energy. Final temperature of the copper is - °C. The heat capacity of copper is 0.38 J/g-K.?