Arcturus, the brightest star of spring skies, is spectral type K, so to us it appears ________ in color
Fill in the blank(s) with correct word
orange
You might also like to view...
If a star has an extrasolar planet, the shape of its radial velocity curve is related to the planet's
A) orbital eccentricity B) mass C) radius D) orbital period
What is the energy (in electron-volts) of the n = 3 state of atomic hydrogen?
What will be an ideal response?
Calculate the energy released in the following fusion reaction where reactants are 6Li and a neutron; products are 4He and 3H. (atomic masses: 6Li, 6.015 12; neutron, 1.008 67; 4He, 4.002 60; 3H, 3.016 031; also 1 u = 931.5 MeV/c2)
a. 2.95 MeV b. 4.81 MeV c. 8.63 MeV d. 17.2 MeV
A mass of 0.40 kg, attached to a spring with a spring constant of 40 N/m, is set into simple harmonic motion. What is the magnitude of the acceleration of the mass when at its maximum displacement of 0.25 m from the equilibrium position?
a. zero b. 13 m/s2 c. 6.3 m/s2 d. 25 m/s2 e. 50 m/s2