It is diffraction that limits the ________ of a telescope's objective
A) magnification
B) resolution
C) light grasp
D) wavelengths
E) frequencies
B
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An 8.0-kg object moving 4.0 m/s in the positive x direction has a one-dimensional collision with a 2.0-kg object moving 3.0 m/s in the opposite direction. The final velocity of the 8.0-kg object is 2.0 m/s in the positive x direction. What is the total kinetic energy of the two-mass system after the collision?
a. 32 J b. 52 J c. 41 J d. 25 J e. 29 J
Which spectrum is shown above?
a. continuous
b. emission
c. absorption
d. blackbody
An incandescent lightbulb is rated at 100 watts when plugged into a 110 V rms household outlet. Calculate the resistance of the filament and the rms current.
A. 12.2 ?, 0.91 A (rms) B. 10 ?, 1.0 A (rms) C. 110 ?, 1.0 A (rms) D. 121 ?, 0.91 A (rms) E. 11 ?, 1.1 A (rms)
The amplitude of a 3.00-kg object in simple harmonic motion is 6.00 m. The maximum acceleration of the object is 5.00 m/s2. What is the period of simple harmonic motion?
A) 6.88 s B) 1.20 s C) 0.278 s D) 0.833 s E) 7.54 s