Thorium-229 is a highly radioactive isotope used in the treatment of certain cancers. Use the chart to determine how much thorium would remain after 7,340 years if a sample began at 20 pounds of pure Th-229.

A defensive tackle picks up the 0.5kg football to a height of 0.8m in 0.25s ... 1. calculate the work done 2. calculate the power generated

A girl runs up the down escalator in the mall. If the escalator is moving with a velocity of 24 m/min and the girl is running with a velocity of 30 m/min, how far up the escalator can she go in 4 minutes? A. 10 m B. 30 m C. 48 m D. 24 m

12. What does positive and negative acceleration indicate?

Dissolving iced tea powder into a glass of water; which is the solute and which is the solvent?

How is average speed best defined? A) distance traveled in a certain amount of time B) the time it takes to travel a certain distance C) instantaneous speed D) velocity

An arrow is shot upward on mars from ground level with a velocity of 60 meters per second. Its height (in meters) after t seconds is given by 2 s (t) = 60t - 1.9t^2.

Energy transformations in a bouncy house

Suppose gene A on the left chromosome is damaged and no longer functions. what form of the trait would show? Why?

What is the use of scientific knowledge and research for an action

How do evaporation and condensation relate to heat