A cable is 5.00 m long and has a diameter of 1.50 mm. The tensile modulus of the cable is 
A force is applied to the end of the cable and the cable stretches by 3.00 mm. What is the applied force?
A. 16.5 N
B. 20.5 N
C. 26.5 N
D. 32.6 N
E. 36.6 N
C. 26.5 N
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Satellites in low-Earth orbits are more likely to crash to Earth when the sunspot cycle is near solar maximum because
A) it is too dangerous to send the Space Shuttle to service satellites during solar maximum. B) Earth's upper atmosphere tends to expand during solar maximum, exerting drag on satellites in low orbits. C) of increased magnetic interference. D) they are more likely to have their electronics "fried" by a solar flare during solar maximum.
Double-Slit Interference: In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits. A screen is placed 2.0 m from the slits. At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other?
A. 1.5 mm B. 3.0 mm C. 4.5 mm D. 6.0 mm
We know that orbital changes causes changes in ice cover because they occur simultaneously
What will be an ideal response?
Space-time will be flat if
a. the Universe is expanding. b. the Universe is accelerating. c. the average density of the Universe is equal to the critical density. d. the Universe is finite. e. the Universe is homogeneous and isotropic.