If the Earth was moved twice as close to the Sun, how would the force of gravity by the Sun on the Earth change?
A) It would be two times weaker.
B) It would be unchanged.
C) It would be four times weaker.
D) It would be two times stronger.
E) It would be four times stronger.
Ans: E) It would be four times stronger.
You might also like to view...
Standing Waves on a String: 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.
What will be an ideal response?
The distinguishing feature of a starburst galaxy is
A) the presence of an unusually large number of binary star systems containing X-ray bursters. B) a very large luminosity compared to the total luminosity of the Milky Way. C) strong radio emission from "lobes" of material well outside the visible boundaries of the galaxy. D) a rate of star formation that may be 100 or more times greater than that in the Milky Way.
Light consisting of a mixture of red and blue light enters a 40°, 70°, 70° prism along a line parallel to the side opposite the 40° vertex
The index of refraction of the prism material for blue light is 1.530, and for red light it is 1.525. What is the angle between the two emerging beams of light? A) 0.5° B) 0.9° C) 0.1° D) 0.3° E) 0.7°
A 120-V circuit has a breaker rated at 10 amps. If a 1050-W toaster is operating on this circuit, what is the largest number of 100-W bulbs that may also operate simultaneously on this circuit without tripping the breaker?
1.0 2.1 3.2 4.more than 2