A radio transmitter broadcasts at a frequency of 200,000 Hz. What is the wavelength of the wave?
1,500 m
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The electromagnetic force is the force that holds nuclei together
Indicate whether the statement is true or false
A 6.0-kg object moving 2.0 m/s in the positive x direction has a one-dimensional elastic collision with a 4.0-kg object moving 3.0 m/s in the opposite direction. What is the total kinetic energy of the two-mass system after the collision?
A. 30 J B. 62 J C. 20 J D. 44 J E. 24 J
An electric dipole having dipole moment of magnitude p is placed in a uniform electric field having magnitude E. What is the magnitude of the greatest change in potential energy that can happen for this dipole in this field?
A.
B.
C.
D.
E.
The principle that total momentum does not change during a brief collision is a result of
A. Newton's first law and Newton's third law. B. Newton's second law and Newton's third law. C. Newton's first law and Newton's second law. D. the definition of the newton. E. the definition of the kilogram.