If a 60 kg person is observed to accelerate at a rate of 4 m/sec/sec, the net force responsible for this is:
a. 600 N b. 240 N c. 30 N d. the force of gravity e. 480 N
b
Physics & Space Science
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Because of the _______________, atoms in Mercury's atmosphere just bounce around and eventually disappear into space
Fill in the blank(s) with correct word
Physics & Space Science
A +3.0-µC point charge is initially extremely far from a positive point charge Q
You find that it takes 41 J of work to bring the +3.0-µC charge to the point x = 3.0 mm, y = 0.0 mm and the point charge Q to the point x = -3.0 mm, y = 0.00 mm. What is Q? (k = …) A) 27 pC B) 9.1 µC C) 4.6 µC D) 55 nC
Physics & Space Science
A resistance heater is rated at 1200 W when operating at 110 V dc. What current will it draw?
A) 0.090 A B) 1.0 A C) 12 A D) 11 A
Physics & Space Science
Larger batteries have higher output voltages
a. True b. False Indicate whether the statement is true or false
Physics & Space Science