The figure shows a distance versus time graph for an object



The acceleration of the moving object is



a.

zero.



b.

constant.



c.

increasing.



d.

decreasing.



e.

not determinable.


a

Physics & Space Science

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The ____________________ period of the moon is the time required for one revolution of the moon around Earth with respect to the stars

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Electric Field of Point-Charges: An electric dipole consists of charges of ±6.00 µC that are 10.0 cm apart, as shown in the figure. Find the magnitude and direction of the electric field this dipole produces at point P, which is 7.00 cm from each charge. (k = 1/4??0 = 8.99 × 109 N ? m2/C2)  

What will be an ideal response?

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In a pure resistive circuit, the phase angle between current and voltage is

A) 0. B) ?/2 radians. C) -?/2 radians. D) ? radians. E) 3?/4 radians.

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Which of the following materials is most appropriate for a design requiring a material with a high magnetic susceptibility that will be subjected to an alternating magnetic field of 60 Hz?

(a) Fe-3 wt. % Si (b) MnO (c) Alnico-5 (d) Fe3O4

Physics & Space Science