A stone of mass 5kg is thrown to a height of 100m. calculate its k. e and hence its velocity after falling 50m.[take g=10m/s^2​

What object a collides with object b and bounces back its final momentum is?

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology

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