The fundamental frequency of CO is 6.42 × 10^13 Hz. If the atomic masses are 12 u and 16 u (1 u = 1.66 × 10^?27 kg), find the force constant (in N/m) for the diatomic molecule
a. 970
b. 1 530
c. 1 850
d. 480
e. 47
c
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A red car has a head-on collision with an approaching blue car with the same magnitude of momentum. A green car driving with the same momentum as the other cars collides with an enormously massive wall
Which of the three cars will experience the greatest impulse? A) red car B) blue car C) green car D) all the same
A cylindrical capacitor is made of two thin-walled concentric cylinders. The inner cylinder has radius r1 = 4.0 mm, and the outer one a radius r2 = 8.0 mm. The common length of the cylinders is L = 150 m
What is the potential energy stored in this capacitor when a potential difference 4.0 V is applied between the inner and outer cylinder? (k = 1/4??0 = 8.99 × 109 N • m2/C2) A) 9.6 × 10-8 J B) 1.3 × 10-8 J C) 6.3 × 10-8 J D) 0.34 × 10-8 J E) 4.6 × 10-8 J
The element ______________ was the gas used in the Hindenburg
Fill in the blank(s) with correct word
If the universe is accelerating, it will expand forever
Indicate whether the statement is true or false