A lapping disk travels at 30 m/s over a surface to be lapped and polished. The lapping compound acts like water with the same properties as water. Determine the maximum lapping compound temperature.


Physics & Space Science

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A) a total solar eclipse B) a total lunar eclipse C) the saros cycle D) a full moon

Physics & Space Science

Instructions: On occasion, the notation will be a shorthand notation for .

When three vectors, , , and  are placed head to tail, the vector sum  = 0. If the vectors all have the same magnitude, the angle between the directions of any two adjacent vectors is A. 30° B. 60° C. 90° D. 120° E. 150°

Physics & Space Science

The higher the frequency of a wave, the

A) shorter the wavelength. B) longer the wavelength. C) neither of these

Physics & Space Science

Three equal positive charges are placed on the x-axis, one at the origin, one at x = 4 m, and the third at x = 7 m. Of the following points, which has the greatest magnitude electric field?

a. x = 3 m b. x = 5.5 m c. x = 8 m d. The electric field has the same magnitude at all three positions. e. x = 0 m

Physics & Space Science