energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this
answered: Guest
Dis the
answered: Guest
Year 1936, lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.
answered: Guest
Ke reqd to move from 0 to 50 will be proportional to 50x50 or 2500. this is equal to w. to change vel from 50 to 150 you need energy prop to 22500 - 2500 = 20,000. this corresponds to 8w. best answer is a) . work reqd is prop to velocity squared.
Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest
The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?