A child is riding a merry-go-round that is turning at 7.18 rpm. If the child is standing 4.65 m from the center of the merry-go-round, how fast is the child moving?
A) 5.64 m/s
B) 3.50 m/s
C) 0.556 m/s
D) 1.75 m/s
E) 1.80 m/s
B
You might also like to view...
The chromosphere is roughly _______________ times fainter than the photosphere
Fill in the blank(s) with correct word
A metal blade (length = 80 cm) spins at a constant rate of 10 radians/s about a pivot at one end. A uniform magnetic field of 2.0 mT is directed at an angle of 30° with the plane of the rotation. What is the magnitude of the potential difference between the two ends of the blade?
a. 5.5 mV b. 6.4 mV c. 3.2 mV d. 11 mV e. 13 mV
Why are massive stars more luminous than low mass stars? That is, why is there a mass-luminosity relation?
What will be an ideal response?
Stromatolites date back to approximately
A) 4.6 billion years ago B) 3.5 billion years ago C) 3.85 billion years ago D) 4.0 billion years ago