7th Class Science Sample Paper Science Sample Paper - 4

  • question_answer
    (v)  A spaceship travels 36000 km in one hour. Express its speed in km/s.

    Answer:

    (v) \[s=\frac{d}{t}=\frac{36000}{60\times 60}=10\,km/\sec .\]


You need to login to perform this action.
You will be redirected in 3 sec spinner