A speedometer indicates ______________ if the automobile is traveling forward
a. instantaneous acceleration
b. instantaneous speed
c. instantaneous velocity
d. average speed
e. average acceleration
b
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The loop is entirely inside the field.
A. Current flows clockwise in the loop. B. Current flows counterclockwise in the loop. C. Current does not flow in the loop.
A farsighted boy has a near point at 2.3 m and requires contact lenses to correct his vision to the normal near point. What is the correct choice of lens power for the contact lenses?
A) -0.28 diopters B) +0.28 diopters C) -3.6 diopters D) +3.6 diopters E) +1.8 diopters
A 500-turn circular loop 15.0 cm in diameter is initially aligned so that its axis is parallel to the Earth's magnetic field. In 2.77 ms the coil is flipped so that its axis is perpendicular to the Earth's field. If a voltage of 0.166 V is induced in the coil, what is the value of the Earth's magnetic field?
A pendulum bob on a long string is raised 1.1 m above its lowest point. When it is let go, we can determine the speed of the bob as it passes through its lowest point even if we have no idea of its mass
What will be an ideal response?