Apackage is dropped from a helicopter moving upward at 15 m/s. if it takes 12 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible? a package is dropped from a helicopter moving upward at 15 m/s. if it takes 12 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible? 318 m636 m530 m424 m

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material