The flow of air in the upper atmosphere is predominantly from
A) east to west.
B) west to east.
C) north to south.
D) south to north.
Answer: B
You might also like to view...
Two charges are separated by a distance d. If one the charges is doubled while the other is tripled, what happens to the force between the charges?
A. it increases by a factor of 5 B. it increases by a factor of 6 C. it increases by a factor of 12 D. it increases by a factor of 18 E. it increases by a factor of 36
An object in free fall has a speed of 60 m/s. One second later its speed is
A) 10 m/s. B) 30 m/s. C) 60 m/s. D) 70 m/s.
A 600-kg car traveling at 30.0 m/s is going around a curve having a radius of 120 m that is banked at an angle of 25.0°. The coefficient of static friction between the car's tires and the road is 0.300
What is the magnitude of the force exerted by friction on the car? A) 1590 N B) 3430 N C) 7240 N D) 7820 N E) 795 N
A 1000-turn toroidal solenoid has a central radius of 4.2 cm and is carrying a current of 1.7 A. What is the magnitude of the magnetic field inside the solenoid at the central radius? (?0 = 4? × 10-7 T ? m/A)
A) 81 mT B) zero C) 16 mT D) 8.1 mT E) 51 mT