Of all the planets, the axial tilt and rotation period of ________ is most like our own
A) Earth B) our Moon C) Venus D) Mars E) Mercury
D
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Both a transverse wave and a longitudinal wave have
A) amplitude. B) frequency. C) wavelength. D) speed. E) all of the above
All jovian planets have rings around their equators and at least eight moons
Indicate whether the statement is true or false
A particle is moving the +x direction at speed c/2 . Another particle is moving in the –x direction at speed c/2 toward the first particle. Which of the following best describes the speed of one particle as seen by an observer moving with the other particle?
a. c b. some value less than 3c/4 c. some value more than 3c/4 d. 3c/4
If the mass of a proton is 1.67 × 10^?27 kg, what is the rest energy of the proton? (c = 3.00 × 10^8 m/s and 1 eV = 1.6 × 10^?19 J)
a. 1.2 × 10^8 eV b. 3.7 × 10^8 eV c. 4.1 × 10^8 eV d. 9.4 × 10^8 eV