If two objects of unequal mass collide, both objects will continue to move in the direction of __________.
Real-world efficiencies are generally very high, in the 90 percent range.
According to Newton's third law of motion, if you push against a wall, the wall will __________.
One consequence of Newton's third law of motion is that __________.
An object with a mass of 90 grams, moving at a constant velocity of 6 meters per second, has __________.
Which of the following statements about air is TRUE?
Assuming 50% efficiency, 150 kcals of chemical energy would result in __________ of kinetic energy.
It is impossible to destroy __________.
Without the force of friction, people would not be able to walk.
Deliberate practice is unnecessary to gain expertise.
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