Question

2. A train travels a distance of 300 km with an
average speed of 60 km h-1. How much time
does it take to cover the distance ?
3. A boy travels with an average speed of 10 m s-1
for 20 min. How much distance does he travel ?
4. A boy walks a distance of 30 m in 1 minute and
another 30 m in 1.5 minute. Describe the type of
motion of the boy and find his average speed
in m s-1​

Answer 1

Explanation:

2.Hence, the train will take 5 hours to cover the distance.

3.A boy travels with an average speed of 10 m s-1 for 20 min. How much distance does he travel ? 12 km

4.Answer. the type of motion is non uniform motion.

Answer 2

Answer:

2.

Hence, the train will take 5 hours to cover the distance.

• 3.

20 minutes = 20 × 60 = 1200 sec. Distance travelled = 10 m s-1 × 1200 sec

• 4.the type of motion is non uniform motion.