Physics, 25.01.2020 05:31 feyundre52
the effort needed when a simple machine is used is best described by which of these statements?
a) the effort force is always smaller than the force needed without the machine.
b) the effort force is always greater than the force needed without the machine.
c) the effort force is most often smaller than the force needed without the machine.
d) the effort force is most often greater than the force needed without the machine.
Answers: 3
Physics, 22.06.2019 13:00
The law of the conservation of momentum says that the total momentum of any closed and isolated system cannot
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Physics, 22.06.2019 15:00
10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!
Answers: 3
the effort needed when a simple machine is used is best described by which of these statements?
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