Convert 8.1 kilograms to grams

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) determine the magnitude and direction of projectile velocity at t= 1.3s b) determine the magnitude and direction of projectile acceleration at t=1.3s

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.