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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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
All jovian planets have rings around their equators and at least eight moons
Indicate whether the statement is true or false
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
Both a transverse wave and a longitudinal wave have
A) amplitude. B) frequency. C) wavelength. D) speed. E) all of the above