Some type of solar eclipse will happen about:
A) every month at new moon.
B) every week at full moon.
C) every month at full moon.
D) about every six months at new moon.
E) every year at new moon.
D
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This figure shows an airplane traveling east to west along Earth's equator at the same speed that Earth rotates from west to east. Viewed from the Moon, what does the airplane do?
(Assume the trip is at constant speed, so you can neglect time required for the airplane to accelerate for takeoff or decelerate for landing.) A) It remains stationary while Earth rotates beneath it. B) It travels to the west at supersonic speed. C) It travels at 2 × 1,670 = 3,340 km/hr. D) You couldn't see the airplane from the Moon.
Which interacts more with high-frequency light?
A) large particles B) small particles C) both the same
In the figure shown, the coefficient of kinetic friction between the block and the incline is 0.40. What is the magnitude of the acceleration of the suspended block as it falls? Disregard any pulley mass or friction in the pulley.
A. 3.4 m/s2 B. 3.7 m/s2 C. 4.2 m/s2 D. 3.9 m/s2 E. 5.4 m/s2
List as many ideas as you can that will result in increased efficiency in the transport system
What will be an ideal response?