A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 turns through 2.4 revolutions during a 2.0-s time interval. What is the angular velocity at the end of this time interval?
a. 9.5 rad/s
b. 9.7 rad/s
c. 9.3 rad/s
d. 9.1 rad/s
e. 8.8 rad/s
a
You might also like to view...
Potential of Point-Charges: Four 2.0-µC point are at the corners of a rectangle with sides of length 3.0 cm and 4.0 cm. What is the electric potential (relative to infinity) at the midpoint of the rectangle? (k = 1/4??0 = 9.0 × 109 N ? m2/C2)
A. 1.3 MV B. 2.9 MV C. 3.5 MV D. 7.8 MV
A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 turns through 2.4 revolutions during a 2.0-s time interval. What is the angular velocity at the end of this time interval?
a. 9.5 rad/s b. 9.7 rad/s c. 9.3 rad/s d. 9.1 rad/s e. 8.8 rad/s
Saturn's atmosphere
a. has more distinctive zones and belts than Jupiter's. b. is rich in free oxygen. c. is hazy above the clouds. d. has more distinctive zones and belts than Jupiter's, is rich in free oxygen, and is hazy above the clouds. e. does not have more distinctive zones and belts than Jupiter's, is not rich in free oxygen, and is not hazy above the clouds.
What is the change in entropy (DS) when two moles of silver (108 g/mole) is completely melted at 961°C? (The heat of fusion of silver is 8.82 × 10^4 J/kg.)
a. 5.53 J/K c. 15.4 J/K b. 7.72 J/K d. 12.1 J/K