An 5 kg object falls freely from rest, from a height of 7 m. If acceleration due to gravity is 9.8 m/s2, determine the work done by the force of gravity ‌ ASAP PLEASE..

Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations

An atom of element x has one more shell of electrons than an atom of beryllium, but it has one less valance electron than beryllium. which element is x

Which statement best identifies the process shown? the process must be fusion because energy is released. a. the process must be fusion because a heavier nucleus forms from smaller nuclei. b. the process must be fission because a large nucleus breaks into smaller nuclei. c. the process must be fission because neutrons are formed.