The straight-line distance and direction between two points are, together, called ______________
Fill in the blank(s) with correct word
displacement
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An L-shaped metal machine part is made of two equal-length segments that are perpendicular to each other and carry a 4.50-A current as shown in the figure
This part has a total mass of 3.80 kg and a total length of 3.00 m, and it is in an external 1.20-T magnetic field that is oriented perpendicular to the plane of the part, as shown. What is the magnitude of the NET magnetic force that the field exerts on the part? A) 8.10 N B) 11.5 N C) 16.2 N D) 22.9 N E) 32.4 N
A constant electric field 
is present throughout a region of space that includes the plane bounded by the x and y axes and the lines x = 30 cm and y = 50 cm. The electric flux through the plane's surface, in N ? m2/C, is
A. 0. B. 0.25. C. 25. D. 50. E. 100.
If F = 4.0 N and m = 2.0 kg, what is the magnitude a of the acceleration for the block shown below? The surface is frictionless
a.
5.3 m/s2
b.
4.4 m/s2
c.
3.5 m/s2
d.
6.2 m/s2
e.
8.4 m/s2
A solar or lunar eclipse may occur when the line of nodes (The line connecting the points of the Moon's orbit that intersects the plane of the Earth's orbit around the Sun)
a. points at the Sun. b. is 90 degrees to the Sun's direction. c. Wrong! The line of intersection is irrelevant.