Bob is moving at 0.967c with respect to alice. at the exact instant he passes alice, she fires a very short laser pulse in the same direction bob is moving. (a) after 5.59 s has elapsed on alice's watch, what distance does alice measure between bolb and the laser pulse? (b) after 5.59 s has elapsed on bob's watch, what distance does bob measure betweern himself and the laser pulse?

Explanation:

Speed of Bob, v = 0.967 c

At the exact instant he passes Alice, she fires a very short laser pulse in the same direction Bob is moving.

(a) We need to find the distance measured by Alice  between Bob and the laser pulse. It is given by :

(b) Distance measured by Bob between himself and the laser pulse is given by :

Hence, this is the required solution.  

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a

explanation:

no diagram was provided, but i'm guessing it's the one i've attached to my answer.

here, a mechanical force turns the rod.   this generates an electric current in the coil, which powers the bulb.