Which soil is richest in humus!
A car travels 80 km in two hours. Calculate its speed.
Answers
Answered by
0
Answer:
40 km/hr make me brainlist
Answered by
1
Answer:
1.HUMUS is rich in topsoil. Top soil or the A-horizon is rich in humus. loamy soil.
2.Let the each half of the running time be t.
During first half time, speed of car is 80 km/h
Distance covered d
1
=80t km
During second half time, speed of car is 40 km/h
Distance covered d
2
=40t km
Total distance covered d=d
1
+d
2
=80t+40t=120t
Total time taken T=2t
Average speed v
avg
=
T
d
=
2t
120t
=60 km/hr
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