A wheel that is rotating at 33.3 rad/s is given an angular acceleration of 2.15 rad/s2. Through what angle has the wheel turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad
B) 316 rad
C) 697 rad
D) 66.8 rad
E) 948 rad
E
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The first solenoid has 2 times the diameter, 2 times the number of turns, and 2 times the length of the second solenoid. Which solenoid has the greater inductance and by what factor?
a. the first solenoid by a factor of 8 c. the first solenoid by a factor of 16 b. the second solenoid by a factor of 8 d. the second solenoid by a factor of 32
Which is NOT an example of the Bernoulli effect?
a. Smoke going up a chimney faster when there is a wind outside. b. A roof coming off a house in a tornado. c. A tarp covering a truck lifting up as the truck drives. d. Drinking a liquid through a straw. e. A piece of paper held in front of your lips rising as you blow air over it.
Suppose you view the solar system from high above Earth's North Pole. Which of the following statements about planetary orbits will be true?
A) All the planets orbit counterclockwise around the Sun. B) The inner planets orbit the Sun counterclockwise, whereas the outer planets orbit the Sun clockwise. C) All the planets except Uranus orbit the Sun counterclockwise; Uranus orbits in the opposite direction. D) The inner planets orbit the Sun clockwise, whereas the outer planets orbit the Sun counterclockwise.
For a 0.1-kg frog to jump to a height of 1.0 meter requires an energy of about
A. 0.1 Joule. B. 0.5 Joule. C. 1.0 Joule. D. 10 Joule.