In _________fracture, the fracture surface follows the grain boundaries.

Fill in the blank(s) with the appropriate word(s).


intergranular

Physics & Space Science

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A particle moving along the x axis has a position given by x = (24t- 2.0t3) m, where t is measured in s. What is the magnitude of the acceleration of the particle at the instant when its velocity is zero?

A. 24 m/s2 B. zero C. 12 m/s2 D. 48 m/s2 E. 36 m/s2

Physics & Space Science

When NASA was communicating with astronauts on the Moon, the time from sending on the Earth to receiving on the Moon was 1.28 s. Find the distance from Earth to the Moon. (The speed of radio waves is 3.00 × 10^8 m/s.)

a. 240 000 km b. 384 000 km c. 480 000 km d. 768 000 km

Physics & Space Science

If you drove day and night without stopping for one year without exceeding the legal highway speed limit in the United States, the maximum number of miles you could drive would be closest to

A. 8700. B. 300,000. C. 500,000. D. 1,000,000. E. 32,000,000.

Physics & Space Science

The dip angle is:

a. another term for magnetic declination. b. a measure of the tendency for a compass to point south. c. close to or at zero near the equator. d. close to or at zero just north of Hudson Bay.

Physics & Space Science