Explain why the count rate was less than the activity of the sample of Lanthanium 140

"i have always loved contemporary art and made it a general goal to work within the field. after a few nonprofit internships at museums and galleries, i decided to try the for-profit art world and was offered a job as the ad assistant at the magazine. i much prefer the pace of the for-profit art community and have stayed with the company for three years, with a promotion to an account manager last spring."

i just did this and got a 100.

unlike poles attract

the displacement produced by the body.  

the amount of force subjected to the body.  

the angle between the direction of force and displacement