This diagram shows the orbital path of the Sun around the center of mass of our solar system over a 65-year period as it would appear from a distance of 30 light-years. If aliens had constructed this graph at their home star system, they could learn all of the following except
A) the fact that large, icy objects orbit the Sun in the Kuiper belt.
B) the fact that the Sun has more than two planets.
C) the mass and orbital period of Jupiter.
D) the orbital distance of Saturn.
A) the fact that large, icy objects orbit the Sun in the Kuiper belt.
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A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 kg and is under a tension of 2000 N
(a) What is the speed of the wave on the wire? (b) Find the frequency of this wave. What will be an ideal response?
One mole of ammonia (NH3) has a mass of 17.0 g, and one mole is equal to 6.02 × 10^23 molecules. How many hydrogen (H) atoms are in 55.0 g of ammonia? Note that each molecule of ammonia has 3 hydrogen atoms
a. 5.84E+24 b. 1.95E+24 c. 3.07E+25 d. 6.49E+23
Old Faithful geyser in Yellowstone Park shoots water hourly to a height of 40.0 m. With what velocity does the water leave the ground?
a. 14.0 m/s b. 19.8 m/s c. 20 m/s d. 28.0 m/s e. 784 m/s
A string of length 2.5 m is fixed at both ends. When the string vibrates at a frequency of 85 Hz, a standing wave with five loops is formed. (a) Determine the distance between two adjacent nodes
(b) Determine the wavelength of the waves that travel on the string. (c) Determine the speed of traveling waves on this string. (d) Determine the fundamental frequency of this string.