Which of the following statements is true about any collision between two objects with no net applied force acting?
a. Momentum is never conserved and kinetic energy is always conserved.
b. Momentum is always conserved and kinetic energy is never conserved.
c. Momentum is always conserved and kinetic energy is sometimes conserved.
d. Momentum is sometimes conserved and kinetic energy is always conserved.
e. Momentum and kinetic energy are both always conserved.
c
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(a) Rubber (b) Epoxy (c) UHMWPE (d) Polyester
What is the wavelength of the longest wavelength light that can be seen with the human eye?
a. 400 nm b. 4000 nm c. 7000 nm d. 700 nm e. 3×10^8 m
The least massive main-sequence stars have a/an _____ luminosity class and a/an _____ spectral class
Fill in the blank(s) with correct word
A radiometric date is determined from mica that has been removed from a rock. What does the date signify if the mica is found in granite? What does the date signify if the mica is found in schist?
What will be an ideal response?