A solid sphere, a solid cylinder, and a hoop each have the same mass and radius. If they are spinning at the same angular velocity, which one has the greatest rotational kinetic energy?
a. the sphere
b. the cylinder
c. the hoop
d. They all have the same rotational kinetic energy.
C
Physics & Space Science
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The SI unit of power is the ______________
Fill in the blank(s) with correct word
Physics & Space Science
The speed of a boat is often given in knots. If a speed of 5 knots were expressed in the SI system of units, the units would be:
a. m. b. s. c. m/s. d. kg/s.
Physics & Space Science
The theory of continental drift is supported by paleoclimatic data, the jig-saw fit of the continents
A) paleontology, and paleomagnetic data. B) and seafloor spreading. C) transform boundaries, and paleontology. D) at their continental margins, and paleontology.
Physics & Space Science
Which color in the right image represents the highest temperatures?
A) blue B) green C) orange D) red E) white
Physics & Space Science