Current: When current is flowing in an ordinary metal wire, the magnitude of the average velocity of the electrons is closest to

A. 10 m/s.
B. the speed of light.
C. 1 mm/s.
D. 1 km/s.
E. 1 m/s.


Answer: C

Physics & Space Science

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The linear momentum of a truck will be greater than that of a bus if

a. the truck's mass is larger than the bus's but its speed is the same b. the truck's speed is larger than the bus's but its mass is the same c. the truck's mass and speed are both larger than the bus's d. any of the above

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A. the same as Jack's power output. B. one-fourth as much as Jack's power output. C. one-half as much as Jack's power output. D. twice Jack's power output. E. four times Jack's power output.

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Complete and balance the equation: Mg + HC2H3O2 ? _____________________

Fill in the blank(s) with correct word

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