500 grams of a radioactive material decays for 25 minutes until only 25.2 grams of the isotope remains. Determine its half-life.

hotter stars = bluer stars

the answer would be 32*f

a displacement distance is size of displ

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.