Two cars C and D start from a junction along two perpendicular roads at 8.00 a.m and 9.00 a.m respectively.If at 12 noon, the cars which are travelling at same speed, are 150 km apart, then ,find the speed of each car.

• ans is 30 km
• 11 years agoHelpfull: Yes(2) No(0)
• 
  if speed is xkmh then they form a perpendicular triangle of side 3x and 4x whose hypotaneous is 150 km.
  hence,
  x = 30kmh
• 11 years agoHelpfull: Yes(1) No(0)