Question

Class:- 7
SCIENCE
1. Define Speed, write its S.I UNIT
2. IF A CAR MOVES FROM ODISHA TO DELHI COVERING 2400 KM IN 24 HOUR. FIND ITS SPEED.
3. A person traveled 10 km towards north in 30min then took a left turn and traveled towards west 5 km in 20 min. Find its average speed.
4. Write the average speed of the following:-
a. Fastest bird
b. Revolution of earth around sun
c. Speed of launching satellite.
d. Speed of sound in air.


Please answer the al questions soon as well as soon ​

Answer 1

Answer:

See NCERT books

Their is your answer in simple words, that you can understand.

Please FOLLOW, complete 50

Answer 2

Answer:

1.meter per second m/s

2.100km/h

3. 0.3 km/h