In this task, you need to answer the given multiple-choice question on the physics. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: how long does a train 90 m long traveling at 60 kmph takes to cross a bridge of 170 m in length ? 
Options: a ) sec , b ) sec , c ) sec , d ) sec , e ) sec

A: d
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Q: Problem: a car covers a distance of 624 km in 3 1 / 5 hours . find its speed ? 
Options: a ) 104 kmph , b ) 195 kmph , c ) 109 kmph , d ) 174 kmph , e ) 101 kmph

A: b
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Q: Problem: a space shuttle orbits the earth at about 2 kilometers per second . this speed is equal to how many kilometers per hour ? 
Options: a ) 7,200 , b ) 8,880 , c ) 10,800 , d ) 28,800 , e ) 48,000

A:
a
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