A small airplane with a wing span of 12 m flies horizontally and due north at a speed of 60 m/s in a region where the magnetic field of the earth is 60 ?T directed 60° below the horizontal. What is the magnitude of the induced emf between the ends of the wing?
a. 50 mV
b. 31 mV
c. 37 mV
d. 44 mV
e. 22 mV
c
You might also like to view...
On a warm 30.°C spring day, you are watching Richard take a buzzer and twirl it horizontally around on the end of a 2.0 meter long string. Why do you hear the buzzer tone Vary from 718. Hz to 772. Hz? What is the angular speed?
What will be an ideal response?
A car travels around an unbanked curve at 17 m/s. If the static friction coefficient between the tires and the road is 0.45, what is the minimum radius curve that the car can take at this speed without slipping?
A. 65 m B. 3.9 m C. 15 m D. 8.1 m
A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal. If the coefficient of kinetic friction is 0.19, at what rate does the box accelerate down the slope?
A) 4.7 m/s2 B) 5.2 m/s2 C) 5.5 m/s2 D) 6.2 m/s2
Two charges that are separated by one meter exert 1-N forces on each other. If the magnitude of each charge is doubled, the force on each charge is
A) 1 N. B) 2 N. C) 4 N. D) 8 N. E) none of the above