Question

answer this question

Q.27 The distance between two stations is 240 km. A train takes 4 hours to cover this distance. Calculate

the speed of the train.

Q.38 a) Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle

has a speed of 2 m/s, calculate the distance between her house and the school.


Q.40 Describe the various ways by which seeds are dispersed.

Q.41 State the main difference between asexual and sexual reproduction.

What is transpiration?

Name the part that transports water and minerals in plants.​

Answer 1

Explanation:

27)distance=240 km

time=4hours

speed =distance/time

speed= 240/4

=60km/h

38)time=15 minutes

1 minute =60 sec

15 min=60(15)=900 s

speed =2m/s

speed=distance/time

distance=speed(time)

=2(900)

=1800 m