Which (if any) actually is coolest?
A. The aluminum cylinder
B. The wooden block
C. The Styrofoam cup
D. All are the same.
D. All are the same.
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Describe those surface features that indicate water once flowed on Mars
What will be an ideal response?
AC Generator: You wish to construct a simple ac generator with a maximum output of 12 V when rotated at 60 Hz. A magnetic field of 0.050 T is available. If the area of the rotating coil is 100 cm2, how many turns are needed?
Fill in the blank(s) with the appropriate word(s).
The only force acting on a 2.0-kg body moving along the x axis is given by Fx = (2.0x) N, where x is in m. If the velocity of the object at x = 0 is +3.0 m/s, how fast is it moving at x = 2.0 m?
A. 4.2 m/s B. 3.6 m/s C. 5.0 m/s D. 5.8 m/s E. 2.8 m/s
Resolution: Even with perfect optics, what is the resolution limit (in radians) of the Hubble Space Telescope when it is focusing light of wavelength 400 nm? The mirror diameter is 2.4 m.
Fill in the blank(s) with the appropriate word(s).