A body is oscillating up and down at the end of a spring. Let's consider when the body is at the top of its up and down motion. If the earth's mass were suddenly made larger but the moon's mass stayed the same,
a. the earth would exert a larger force on the moon
b. the moon would exert a larger force on the earth
c. the earth would exert a larger force on the moon but the moon would exert the same force on the earth as before
d. none of the above
A, B
You might also like to view...
According to Lenz's law the direction of an induced current in a conductor will be that which tends to produce which of the following effects?
a. oppose the effect which produces it c. produce the greatest voltage b. enhance the effect which produces it d. produce a greater heating effect
If you toss a ball straight upward at 40 m/s with no air resistance, one second before it reaches the top of its path its speed is
A) zero. B) 10 m/s. C) 20 m/s. D) 30 m/s E) 40 m/s.
Wien's Law: What are the wavelength and the corresponding photon energy (in electron-volts) of the primary light emitted by an ideal blackbody at each of the following temperatures? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J, and the constant in Wein's law is 0.00290 m ? K) (a) 400°C?(b) 800°C?(c) 1200°C?
What will be an ideal response?
Why is a 1-solar-mass red giant more luminous than a 1-solar-mass main-sequence star?
A) Fusion reactions are producing energy at a greater rate in the red giant. B) The red giant has a hotter core. C) The red giant's surface is hotter. D) The red giant is more massive.