Which star in the diagram has the greatest surface temperature?
A
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A driver in a car traveling at slams on the brakes and skids to a stop. If the coefficient of friction between the tires and the horizontal road is 0.80, how long will the skid marks be?
A) 26 m B) 21 m C) 33 m D) 24 m
Nuclear reactors are bombs waiting to go off
What will be an ideal response?
If light of wavelength 700 nm is sent through a slit of width of 5.0 ?m, at what angle from the central maximum is the 4th order minimum?
A) 90° B) 34° C) 39° D) 8° E) 68°
Which is true about comparing clocks in two different inertial systems?
a. There is no way to know the relation between clocks in the two systems. b. Clocks in one system appear to run faster when viewed from the other. c. Clocks in one system appear to run slower when viewed from the other. d. Clocks in one system appear to run backwards when viewed from the other. e. The clocks are all synchronized.