How does the distance traveled vary with time in uniform accelerated motion? (Hint: Solve Eq. 4.3 in the Laboratory Guide for d.)
The distance traveled is proportional to the time squared. This is not a linear
relationship so a straight line will not be obtained is d is plotted as a function of t.
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Suppose that 
both have nonzero y and z components, but both also have zero x components. Which components of 
are nonzero? Select or indicate all the letters that apply.
A. 
is nonzero.
B. 
is nonzero.
C. 
is nonzero.
A proton moving with a velocity of 4.0 × 104 m/s along the +y-axis enters a magnetic field of 0.20 T directed towards the -x-axis. What is the magnitude of the magnetic force exerted on the proton? (e = 1.60 × 10-19 C)
A) 8.0 × 10-15 N B) 3.9 × 10-15 N C) 2.6 × 10-15 N D) 0 N E) 1.3 × 10-15 N
A circular loop carrying a current of 3.0 A is oriented in a magnetic field of 0.35 T. The loop has an area of 0.24 m2 and is mounted on an axis, perpendicular to the magnetic field, which allows the loop to rotate. If the plane of the loop is oriented parallel to the field, what torque is created by the interaction of the loop current and the field?
a. 0.017 N×m c. 0.25 N×m b. 0.084 N×m d. 5.8 N×m
Charge of uniform density (20 nC/m2) is distributed over a cylindrical surface (radius = 1.0 cm), and a second coaxial surface (radius = 3.0 cm) carries a uniform charge density of -12 nC/m2 . Determine the magnitude of the electric field at a point 2.0 cm from the symmetry axis of the two surfaces
a. 2.3 kN/C b. 1.1 kN/C c. 1.7 kN/C d. 3.4 kN/C e. 4.5 kN/C