Physics, 18.10.2019 19:20 NathanMoreno2019
Which of these is an example of a physical change?
a) metal denting
b) iron rusting
c) gasoline burning
d) silver tarnishing
Answers: 1
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Lets say that an object of a certain volume has a certin mass. what happens to its mass when you double its volume?
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When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
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Alarge cruise ship of mass 7.00 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) what is the ship's kinetic energy at this time? (b) how much work is required to stop it? (give the work done on the ship. include the sign of the value in your answer.) (c) what is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.00 km?
Answers: 2
Which of these is an example of a physical change?
a) metal denting
b) iron...
a) metal denting
b) iron...
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