8.1 Two events that are simultaneous in one reference frame (a) are or (b) are n

Question

8.1 Two events that are simultaneous in one reference frame

(a) are or

(b) are not

simultaneous in a second frame moving relative to the ?rst. Consider the two events

to occur at two di?erent locations.

8.2 According to a stationary observer, a moving clock runs

(a) faster or

(b) slower

than an identical stationary clock.

8.3 According to a stationary observer, a moving object is

(a) shorter or

(b) longer

than an identical stationary object.

8.4 Consider traveling to a star which is 10 light years away in the earth

Explanation / Answer

8.1)(b) are not 8.2)(a) faster 8.3)shorter 8.4) b) may be less than 10 years if our velocity is great enough. 8.5)(a) greater than the sum, 8.6)(c) remain constant. 8.7) electron

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