Thursday

March 5, 2015

March 5, 2015

Posted by **Lindsay** on Friday, November 30, 2012 at 12:54am.

Calculate the speed limit.

- math -
**kay**, Friday, November 30, 2012 at 4:12amIf he travels at 120 Km per hour in 30'(ie 1/2 hour) he did 120/2=60Km.

If he travels at max speed allowed he takes 30+20=50'or 50/60=5/6 hours to reach his destination. so speed is: 60/(5/6)= 360/5=72Km/h

**Answer this Question**

**Related Questions**

physics - A truck of mass 2000kg travelling due south collides at an ...

math - Q) (Speed) Ahmed drives from Abu Dhabi to Dubai. The journey takes him 1 ...

engineering mechanics - A police officer observes a motorist who is approaching ...

math - A van came around a corner a hit me as I gently pulled off in a small car...

Physics - A policeman travelling 60 km/h spots a speeder ahead , so he ...

Physics - A policeman travelling 60 km/h spots a speeder ahead , so he ...

Physics - A policeman travelling 60 km/h spots a speeder ahead , so he ...

Physics - A policeman travelling 60 km/h spots a speeder ahead , so he ...

physics - An SUV with a mass of 1.80×103 kg is travelling eastbound with a speed...

physicd - state the resultant force acting on a vehicle travelling at a constant...