How many feet is Perth above sea level?

When point charges q1 equals plus 9.3 µC and q2 equals plus 5.4 µC are brought near each other each experiences a repulsive force of magnitude 0.68 N Determine the distance between the charges? How many days between June 17 1989 to January 24 2010? How can you convert inches of the legth of the fabric into centimeters? What does 16 cms look like? If a car can travel 50 miles in 55 minutes how long will it take to travel 75 miles? How many hours from subic to cebu by Yacth? How long does it take to mail something from the US to China? What is length 425mm in cms? How long does training take before running long distances? What is Delta flight 6593's on time percentage? What is 4.3km in meter? How many miles does 2.1K equal? What is the driving distance from utrecht to Amsterdam? If you know a car travels 30km in 20 minutes you can find its? What are the examples of adverb of duration? What is the conversion of 500 meters into feet? How long is a 5K race in meters? How long does light from the sun take to reach mercury? What furthest from hong kong Bali Singapore or Bangkok? How long did it take Magi to get to Bethlehem?