Which two bodies have geological features caused by liquid water?
a. Mercury and Venus
b. Mercury and Earth
c. Mercury and Earth's Moon
d. Earth and Venus
e. Earth and Mars
Ans: e. Earth and Mars
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In an "atom smasher," two particles collide head on at relativistic speeds
If the velocity of the first particle is 0.741c to the left, and the velocity of the second particle is to the right (both of these speeds are measured in Earth's rest frame), how fast are the particles moving with respect to each other? A) 0.866c B) 1.091c C) 0.883c D) 0.788c
How does the magnetic field of Uranus differ from that of Jupiter and Saturn?
What will be an ideal response?
A square coil (length of side = 24 cm) of wire consisting of two turns is placed in a uniform magnetic field that makes an angle of 60° with the plane of the coil. If the magnitude of this field increases by 6.0 mT every 10 ms, what is the magnitude of the emf induced in the coil?
a. 55 mV b. 46 mV c. 50 mV d. 60 mV e. 35 mV
An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the carbon tetrachloride is 20°, what is the angle of refraction into the air?
A. 20° B. 30° C. 38° D. 69° E. 26°