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Suppose light travels at the speed of 3.0 x 105 km persecond.

How long will it take light from the star to reach the earth

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A star is 8.1 x 1013 km away from theearth.

Suppose light tr

Suppose light tr

Four Cars numbered as

(C1, C2, C3 and C4) are participating

(C1, C2, C3 and C4) are participating

Robert is travelling on his cycle and has calculated to reac

Robert is traveling on his cycle and has calculated to reach

Robert is travelling on his cycle and has calculated to reac

Four Cars numbered as

(C1, C2, C3 and C4) are participating

(C1, C2, C3 and C4) are participating

A train travels at an average of 50 miles per hour for 2x1/2

A bus travels at a speed of 50 km per hour to go from its or

A person travels 12 km in the southward direction and then t

Four Cars numbered as

(C1, C2, C3 and C4) are participating

(C1, C2, C3 and C4) are participating