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Are matter and energy together are always conserved true or false?
True
What is always true when an energy transformation occurs?
The total energy doesn't change
Is it true or false that because energy is conserved as the amount of one type of energy increases the amount of another type of energy must decrease?
That is true.
Energy is conserved when an object gains speed while falling?
yes this true
Is it true that the law of conservation of energy states that momentum is conserved in a collision?
Is it true that the law of conservation of engery states that momentum is in a collision
Are matter and energy together are always conserved true or false?
True
What is true about the total energy of a ball as it rolls down a hillside?
It is conserved. The potential energy of the ball sitting at the top of the hill is converted into kinetic energy of the rolling ball.
What is always true when an energy transformation occurs?
The total energy doesn't change
Is it true or false that because energy is conserved as the amount of one type of energy increases the amount of another type of energy must decrease?
That is true.
Energy is conserved when an object gains speed while falling?
yes this true
Is it true or false that generators create electrical energy from nothing?
false; you cannot get energy from nothing, it is conserved
In a nuclear reaction mass must be lost to produce energy. true or false?
False. Both mass and energy are conserved.
Is it true that the law of conservation of energy stated that momentum is conserved in a collision?
Is it true that the law of conservation of engery states that momentum is in a collision
Is it true that the law of conservation of energy states that momentum is conserved in a collision?
Is it true that the law of conservation of engery states that momentum is in a collision
Is it true that substances can be neither created nor destroyed?
It depends on what you accept as 'being destroyed'. The only thing that is conserved is the matter/energy constant. Matter can be converted into an equivalent amount of energy. Some people would consider this 'being destroyed' but the amount of energy is always the same.
What is true about conservation of energy?
the answer is always B.
The momentum before a collision of three objects is always greater than the momentum after the collision True or false?
False - the thing to remember is that momentum is conserved.
