Consider the potential energy U(x) = (1.0 J/m3)x3 - (8 J/m2)x2 + (15 J/m)x + 8.0 J. Find the turning points of the bound motion when the energy E is 8.0 J
A)
1.0 m and 7.0 m
B)
3.0 m and 4.0 m
C)
2.0 m and 4.0 m
D)
3.0 m and 5.0 m
E)
1.44 m and 5.56 m
D
You might also like to view...
If a projectile is fired straight up at a speed of 10 m/s, neglecting air resistance, the time it takes to reach the top of its path is
A) 1 s. B) 2 s. C) 10 s. D) not enough information
You ride in an automobile traveling at 100 km/h. It comes to a stop over 0.5 seconds. You can be sure that
a. the car's engine has stopped. b. a velocity acts. c. friction between the tires and the road stopped it. d. the car had a nonzero acceleration during that time. e. none of the other answers is correct.
The star Vega rises today at 6:40 A.M. Tomorrow it will rise at ________.
A. 6:32 A.M. B. 6:44 A.M. C. 6:40 A.M. D. 6:44 P.M. E. 6:36 A.M.
A stream of electrons passes through a velocity filter where the crossed magnetic and electric fields are 0.020 T and 5.00 × 10^4 V/m, respectively. Find the kinetic energy (in electron volts) of the electrons passing through the filter. [1 eV = 1.60 × 10^-19 J]