Three 2.50-?C charges are placed on tiny conducting spheres at the ends of 1.00 m-long strings that are connected at 120° angles as shown below. The magnitude, in N, of the tension in any one of the strings is
?
?
a.
1.88 × 10?2.
b.
3.25 × 10?2.
c.
3.75 × 10?2.
d.
6.50 × 10?2.
e.
7.50 × 10?2.
b
You might also like to view...
What Diopter takes an object at 47. cm and forms an upright image 23. cm from the lens?
A) +2.2 D B) -0.022 D C) -2.2 D D) 2.2 × 102 D E) +0.022 D
Three identical point charges (+2.0 nC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. If the electric potential is taken to be zero at infinity, what is the potential at the midpoint of any one of the sides of the triangle?
A. 16 V B. 10 V C. 70 V D. 46 V E. 44 V
Which of the following NDI tests cannot detect an internal crack?
(a) Eddy current (b) Dye penetrant (c) X-ray (d) Ultrasonic pulse echo
According to the Schrödinger equation, the probability of finding a hydrogen atom's ground-state electron 0.053 nm from the proton is
a. zero. b. high, but not 100%. c. low, but not zero. d. 100%.