A. Since there is no complete hardened evidence to make it a fact, and it could still be wrong makes it a theory.
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Part B - 2
Answer all questions in this part. Directions (51 - 65): Record your answers in the spaces provided in your answer booklet. Some questions may require the use of the 2011 Edition Reference Tables for Physical Setting/Earth Science. Base your answers to questions 51 and 52 on the diagram and data table below, and on your knowledge of Earth science. The diagram represents the laboratory materials used for an investigation of the effects of particle size on water retention. Five separate columns were filled to the same level with particles. The particle type is indicated for each column. The particles within each column are of uniform shape. A volume of 50 milliliters (mL) of water was poured through each column, and the amount of water retained was determined. The data table shows the results of this experiment.
Answer:
Explanation:
As we know that the 6 kg object was at rest initially
So here since net force on the system is zero
so the momentum of the system will always remains conserved
so we can say
now we know that
and the angle between the two objects is 60 degree
so we can say
now we can say that the speed of the third mass will be
now the total kinetic energy released in this system is given as
I believe D is ur answer..................
The answer to this question is False
