What term defines the specific amount of time required for half of a radioactive substance to become stable?

a. half-life

b. decay phase

c. decay period

d. a gamma second

G = glossy leaves (dominant trait) g = nonglossy leaves (recessive trait) Glossy leaves are smooth and shiny. What percent of offspring from the cross shown above will have glossary leaves? A. 0% B. 25% C. 50% D. 100%

A golfer strikes a stationary golf ball that has a mass of 0.02 kg. The golf ball leaves the club with a speed of 180 m/s. A high-speed camera determines that the club was in contact with the ball for 0.56 x 10-3 s.

Which of the following is an example of a phenotype? a. actual height of an organism b. the average height of a population c. the gene that determines an organism's height d. all of the different heights that an organism can possibly be

10. According to Newton's First Lawy, if a box is pushed with no external resistance, what will the action of the box be?

In which phase of matter are the atoms closely packed but still able to slide past each other?

2. What was the role of women as industry increased? A. They gained the vote, B. They became industry leaders, e. They led the household D. They can for government office,

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.