Inside an accelerating spaceship far from gravitational influences, a flashlight beam will
A) not bend.
B) curve as it would in a gravitational field equal to the acceleration of the spaceship.
C) follow a semi-circular path.
Answer: B
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Transformers: An ideal step-down transformer is needed to reduce a primary voltage of 120 V to 6.0 V. What must be the ratio of the number of turns in the secondary to the number of turns in the primary?
Fill in the blank(s) with the appropriate word(s).
GIFs are most suitable for basic, solid-colored images, such as cartoons, diagrams, or navigation buttons.
Answer the following statement true (T) or false (F)
The figure shows the position of an object (moving along a straight line) as a function of time. Assume two significant figures in each number. Which of the following statements about this object is true over the interval shown?
A) The object is accelerating to the left. B) The object is accelerating to the right. C) The acceleration of the object is in the same direction as its velocity. D) The average speed of the object is 1.0 m/s.
Strictly speaking, the ratio of circumference to diameter for a circle equals ? as we know it
A) in flat space. B) on a spherical surface. C) on a saddle-shaped surface. D) all or any of the above E) none of the above