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1. The distance between two cities is 1500 km . How long will it take, in hours,

ID: 697856 • Letter: 1

Question

1. The distance between two cities is 1500 km . How long will it take, in hours, to drive from one city to the other if your average speed is 65 mi/h ?

2. How many milliliters of olive oil (D=0.92g/mL ) have the same mass as 3.40 L of gasoline (D=0.74g/mL )?

3. density (g/mL) copper - 8.92, gasoline - 0.74, ice - 0.92

a. What is the mass, in grams, of a cube of copper that has a volume of 75.9 cm3 ?

b. How many kilograms of gasoline fill a 10.3-gal gas tank?

c. What is the volume, in cubic centimeters, of an ice cube that has a mass of 24 g ?

Explanation / Answer

1)

distance = 1500 km

= 1500/1.60934 miles

= 932.1 miles

speed = 65 mi/h

now use:

time = distance/speed

= 932.1 mi / 65 mi/h

= 14.3 hr

Answer: 14.3 hr

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