Two campers wish to start a fire during the day. One camper is nearsighted and one is farsighted. Whose glasses should be used to focus the Sun's rays onto some paper to start the fire?
1.either camper’s
2.the nearsighted camper’s
3.the farsighted camper’s
3
Physics & Space Science
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A long solenoid (n = 80 turns/cm) carries a current of 70 mA. Determine the magnitude of the magnetic field inside the solenoid
Physics & Space Science
If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is
A) less than 125. B) greater than 125.
Physics & Space Science
Given that a vector extends from the origin to (-5.0 cm, 8.0 cm), find the magnitude of the vector.
A. 9.8 cm B. 3.4 cm C. 9.4 cm D. -5.6 cm
Physics & Space Science
The safety fuse in an electric circuit is properly connected in
A) series with the circuit. B) parallel to the circuit. C) either of these
Physics & Space Science