ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measurements.
In working this problem, assume the value of "g" to be 9.8 m/s2 with two (2) significant digits unless otherwise stated.
A car traveling at 60 mph has how much more energy than a car going at 20 mph?
How many times does the kinetic energy of a car increase when traveling 60 mph as opposed to traveling 30 mph?
K. E. increases times.
2
4
Answers: 2
Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
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The energy produced as a result of this flow of electrons from atom to atom is called
Answers: 3
Physics, 22.06.2019 17:30
Does heating a metal wire increase or decrease its electrical resistance? why?
Answers: 1
ALWAYS use significant figure rules. Remember that these rules apply to all numbers that are measure...
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