Physics, 26.09.2019 11:30 mathlady12
The potential energy of a catapult was completely converted into kinetic energy by releasing a small stone with a mass of 20 grams. the velocity of the stone when it reached the target was 15.0 meters/second. what was the value of the kinetic energy of the stone when it reached the target?
Answers: 2
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The density of a substance is 4.0 g/cm3. if a sample of the substance has a volume of 25 cm3 then what is the mass
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Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
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