If the size of the charge value is tripled for one of two point charges maintained at a constant separation, the mutual force between them will be changed by what factor?
a. 3.0
c. 9.0
b. 1/9
d. 0.33
A
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Indicate whether the statement is true or false
A 2.00-m rod of negligible mass connects two very small objects at its ends. The mass of one object is 1.00 kg and the mass of the other is unknown. The center of mass of this system is on the rod a distance 1.60 m from the 1.00-kg mass object
What is the mass of the other object? A) 4.11 kg B) 3.22 kg C) 4.00 kg D) 0.250 kg E) 0.800 kg
A steady horizontal force lasting for 2.1 s causes a 1.25 kg object to accelerate at 3.2 m/s2 on a frictionless table. What impulse does this force exert on the object?
A) 26 kg ? m/s B) 11 kg ? m/s C) 8.4 kg ? m/s D) 2.6 kg ? m/s
The capacitors are completely discharged in the circuit shown below
The two resistors have the same resistance R and the two capacitors have the same capacitance C. After the switch is closed, the current
a.
is greatest in C1.
b.
is greatest in C2.
c.
is greatest in R1.
d.
is greatest in R2.
e.
is the same in C1, C2, R1 and R2.