Uranus was discovered:
A) by Galileo.
B) thousands of years ago.
C) with a radio telescope.
D) after examining perturbations in Neptune's orbit.
E) less than 250 years ago.
E
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The simply supported beam ABC shown below is acted upon by applied axial force P at B; by linearly varying distributed load q on BC; and by applied moments MA and MC. Reaction forces are given in the figure in terms of load variable P. The axial force (N), shear (V), and bending moment (M) at mid-span are (in terms of variables L and P):
(A) 0, 0.22P, 0.63PL
(B) P, 0.29P, 0.33PL
(C) 0, 1.36P, 0.33PL
(D) 0, 0.29P, 0.33PL
For small angle approximations
a. the angle must be 10° or less b. the angle must be 10 radians or less c. the angle must be 1° or less d. the angle must be 1 radian or less e. the angle must be 45° or less
Bound electrons have
A) zero energy. B) infinite energy. C) positive energy. D) negative energy. E) imaginary energy.
On its own, a certain tow-truck has a maximum acceleration of 3.0 m/s2. What would be the maximum acceleration when this truck was towing a bus of twice its own mass?
A) 2.5 m/s2 B) 2.0 m/s2 C) 1.5 m/s2 D) 1.0 m/s2