An object moves 15.0 m north and then 11.0 m south. Find both the distance it has traveled and the magnitude of its displacement
A) 4.0 m, 26.0 m
B) 26.0 m, 4.0 m
C) 26.0 m, 26.0 m
D) 4.0 m, 4.0 m
B
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A 5 kg ball collides head-on with a 10 kg ball, which is initially stationary. The collision is inelastic. Which statement is true?
A) The magnitude of the change of velocity the 5 kg ball experiences is greater than that of the 10 kg ball. B) The magnitude of the change of velocity the 5 kg ball experiences is less than that of the 10 kg ball. C) The magnitude of the change of velocity the 5 kg ball experiences is equal to that of the 10 kg ball. D) The magnitude of the change of the momentum of the 5 kg ball is equal to the magnitude of the change of momentum of the 10 kg ball. E) Two of the above statements are true.
If the layering of the close-packed planes in a FCC metal is ABCABCACABC, this is a _____________.
Fill in the blank(s) with the appropriate word(s).
The combining of two nuclei to form a larger nucleus with the release of energy is nuclear fusion
Indicate whether the statement is true or false
Which main sequence stars have the lowest mass?
A) spectral type O B) spectral type M C) spectral type A D) spectral type G E) can't tell from information provided