a car travels 4km in 3 minutes.find the speed of car in cms-1
4 answers
speed=4km/180sec=4000m/180s=400000cm/180 s
Remember this d=s.t
Where d stands for DISTANCE NOT DISPLACEMENT
And s for SPEED NOT VELOCITY
Way to remember : think about department of science and technology or Dust.
Where d stands for DISTANCE NOT DISPLACEMENT
And s for SPEED NOT VELOCITY
Way to remember : think about department of science and technology or Dust.
5m/second
Speed=4 km
Time=3min
Speed=4 km×1000 m=4000
=4000 m×100 m=400000
Time=3 min ×60 sec=180
Divide
400000÷180=0.00045
Time=3min
Speed=4 km×1000 m=4000
=4000 m×100 m=400000
Time=3 min ×60 sec=180
Divide
400000÷180=0.00045