Stars of spectra type K have strong Balmer lines
Indicate whether the statement is true or false
F
Physics & Space Science
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If it takes 7 N to stretch a spring 8 cm and if the spring is then cut in half, what force does it take to stretch one of the halves 4 cm?
a. 3.5 N b. 7 N c. 14 N d. 21 N e. 28 N
Physics & Space Science
James moves in a circular path (radius 15.0 m) with a speed of 60.0 m/s. His ANGULAR VELOCITY is
A) 120/? rpm. B) 120 radians/s. C) 120. rev/s. D) 120? radians/s. E) 120/? radians/s.
Physics & Space Science
An object moving in a circle with a constant speed has a(n) ______________ directed toward the center of the circle
Fill in the blank(s) with correct word
Physics & Space Science
What do we call a small piece of solar system debris that has fallen to the surface of Earth?
A) Iridium B) A comet C) A meteor D) A meteorite E) A shooting star
Physics & Space Science