How many arcminutes are in one degree?
A) 3600 B) 100 C) 10,000 D) 360 E) 60
E
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What material was used as fuel in the world's first nuclear reactor?
A) 14C B) 238U C) 235U D) 2H E) 239Pu
A uniform linear charge density of 4.0 nC/m is distributed along the entire x axis. Consider a spherical (radius = 5.0 cm) surface centered on the origin. Determine the electric flux through this surface
a. 68 N / m2/C b. 62 N / m2/C c. 45 N / m2/C d. 79 N / m2/C e. 23 N / m2/C
A ball with original momentum +2.0 kgm/s hits a wall and bounces straight back without losing any kinetic energy. The change in momentum of the ball is:
a. 0. c. 4.0 kgm/s. b. -4.0 kgm/s. d. -8.0 kgm/s.
Object 1 has twice the mass of Object 2 . Both objects have the same kinetic energy. Which of the following statements is true?
a. Both objects can have the same magnitude of momentum. b. Object 1 has a momentum of greater magnitude than Object 2. c. The magnitude of the momentum of Object 2 is four times that of Object 1. d. All the statements are false.