A2 kg bowling ball is 2.5 m off the ground on a post when it falls just before it reaches the ground it is traveling 7 m/s assuming that there is no air assistance which statement is true 1mechanical energy is not conserved 2the mechanical energy is conserved 3the initial potential energy is less than the final connecticut energy 4the initial potential energy is greater than the final connecticut energy

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

The energy produced as a result of this flow of electrons from atom to atom is called