The first planets around other Sun-like stars were discovered

A) by Huygens, following his realization that other stars are Suns.
B) by Galileo following the invention of the telescope.
C) at the turn of last century.
D) about a decade ago.
E) at the turn of this century.


D

Physics & Space Science

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A force of 120.0 N is applied to 2.000 cm diameter piston in a closed container of water with a density of 1,000 The force on a piston with a diameter of 25.00 cm is

A. 18,750 N. B. 10,450 N. C. 9,500 N. D. 9,150 N. E. 8,450 N.

Physics & Space Science

What is the resonance frequency of a series ac circuit consisting of a 40.0 ?F capacitor, a 55-? resistor, and a 0.030 H inductor?

A) 0.15 kHz B) 0.9 kHz C) 6.9 kHz D) 6 kHz

Physics & Space Science

Wave frequency could be given in

a. 1/s. b. s-1 c. Hz. d. any of these.

Physics & Space Science

The__________is the spiral galaxy that contains the Sun

A) Andromeda Galaxy B) Cartwheel Galaxy C) Milky Way Galaxy D) Pinwheel Galaxy

Physics & Space Science