What is "uniform motion?"
a. smooth motion
b. motion with zero acceleration
c. motion with constant velocity
d. motion at a constant speed
e. motion along a straight path
B, C
Physics & Space Science
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A child on a merry-go-round is moving with speed 4 m/s in a circle with radius 2 m. If the child's mass is 30 kg, what is the centripetal force?
Physics & Space Science
How long does it take to complete the full cycle of moon phases?
What will be an ideal response?
Physics & Space Science
If we could put all the asteroids together, their total mass would be
A) much less than the mass of any terrestrial planet. B) about the mass of Mercury. C) about the mass of Earth. D) greater than the mass of Earth but less than the mass of Jupiter.
Physics & Space Science
Explain how the Zeeman effect allows us to study stellar magnetic fields
What will be an ideal response?
Physics & Space Science