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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