A large jetliner with a wingspan of 40 m flies horizontally and due north at a speed of 300 m/s in a region where the magnetic field of the earth is 51 T directed 24.1 below the horizontal. What is the magnitude of the induced emf between the ends of the wing?
a. 350 mV
c. 550 mV
b. 750 mV
d. 250 mV
Question 2
Suppose a 0.30-kg mass on a spring-loaded gun that has been compressed 0.20 m has elastic potential energy of 1.0 J. How high above the spring's equilibrium point can the gun fire the mass if the gun is fired straight up?
a. 0.10 m
c. 0.24 m
b. 0.34 m
d. 0.14 m
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A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...
A pool player is attempting a fancy shot. He hits the cue ball giving it a speed of 5.57 m/s ...