By how much is the energy stored in a Hooke's law spring increased when its stretch is increased from 7.00 cm to 15.00 cm?
a. 159%
b. 259%
c. 359%
d. 459%
e. The correct answer is not given.
c
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A container with rigid walls is filled with 4.00 mol of air at 17°C with CV = 2.5R. What is the final temperature of the air if its internal energy is increased by 28 kJ? (R = 8.31 J/mol ? K)
A) 337°C B) 354°C C) 337 K D) 354 K E) 610 K
The standard unit of volume in the
International System is a) cubic meter b) milliliter c) liter d) centimeter
A positively charged particle is released from rest in a uniform electric field. Which statement regarding the electron is correct?
a. The particle's kinetic energy increases. b. The particle's total energy increases. c. The electric potential at the particle's location increases. d. The particle's associated electric potential energy increases. e. None of the statements are correct.
In this course we have seen that baryons have inertial and gravitational mass, intrinsic angular momentum, and other internal properties that have been given names like baryon number, strangeness, charm, etc. The Standard Model's explanation for these properties of baryons is that
a. the baryons are states of something more elementary that can exist in multiple quantum states. b. the leptons are states of something more elementary that can exist in multiple quantum states. c. photons are states of something more elementary that can exist in multiple quantum states. d. according to the Heisenberg Uncertainty Principle quantum numbers are indeterminate. e. quarks are states of something more elementary that can exist in multiple quantum states.