In mechanics, physicists use three basic quantities to derive additional quantities. Mass is one of the three quantities. What are the other two?
a. length and force
b. power and force
c. length and time
d. force and time
c
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Stellar parallax is the apparent
A) shift in position of nearby stars as the Earth moves around the Sun B) westward motion of a planet with respect to the background stars C) shift in position of nearby stars as the Sun moves about the center of the galaxy D) shift in position of nearby stars as the Earth rotates on its axis
A charged atom oscillating in a certain molecule has a period of oscillation of about 10 ps. What kind of electromagnetic radiation does it produce?
A. Radio B. Microwave C. Infrared D. Visible E. Ultraviolet F. X-ray T. Gamma ray
What is the primary effect the carbon dioxide in Venus' atmosphere has on the planet
What will be an ideal response?
Consider a hoop of radius R and mass M rolling without slipping. Which form of kinetic energy is larger, translational or rotational?
A) Translational kinetic energy is larger. B) Rotational kinetic energy is larger. C) Both are equal. D) You need to know the speed of the hoop to tell. E) You need to know the acceleration of the hoop to tell.