The gravitational effects of _______________ can confine some rings in narrow strands or keep the edges of rings sharp
Fill in the blank(s) with correct word
shepherd satellites
small moons
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You would like to find the surface temperature of a star so you will need the star's _____________________ spectrum and use _____________ to find the temperature. Knowing the temperature, you can use _________________ to find the total energy the star radiates at its surface
Fill in the blank(s) with correct word
A airplane that is flying level needs to accelerate from a speed of 200 m/s to a speed of 240 m/s while it flies a distance of 1200 m. What must the acceleration of the plane be?
A) 4.44 m/s2 B) 2.45 m/s2 C) 7.33 m/s2 D) 5.78 m/s2 E) 1.34 m/s2
In typical calorimetry problems, what is the usual conservation law being used?
a. energy c. temperature b. heat d. None since nothing is being conserved.
An energy of 13.6 eV is needed to ionize an electron from the ground state of a hydrogen atom. Selecting the longest wavelength that will work from the those given below, what wavelength is needed if a photon accomplishes this task?
a. 60 nm b. 80 nm c. 70 nm d. 90 nm e. 40 nm