A mosquito flying at 3 m/s encounters a 3-m/s breeze blowing in the opposite direction, which gives it a resulting speed over the ground of
A) 0 m/s.
B) 3 m/s.
C) 4 m/s.
D) 6 m/s.
Answer: A
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Cartridge brass can be extensively deformed into thin-walled sections because it does not _________-harden.
Fill in the blank(s) with the appropriate word(s).
Parallel-Plate Capacitor: Each plate of an ideal air-filled parallel-plate capacitor has an area of 0.0020 m2, and the separation of the plates is 0.090 mm. An electric field of 2.1 × 106 N/C is present between the plates. What is the surface charge density on the plates? (?0 = 8.85 × 10-12 C2/N ? m2)
A. 19 µC/m2 B. 39 µC/m2 C. 9.3 µC/m2 D. 28 µC/m2 E. 47 µC/m2
A rifle bullet is fired at an angle of 30° below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike the level ground below?
What will be an ideal response?
At the top of the distance ladder sits ________
Fill in the blank(s) with correct word