Answer: 1 hour
Explanation: Focus on the units; 70 miles per hour means that each hour, you will travel 70 miles
or you can use the equation time = distance/speed. You have 70miles/ 70mph = 1hour
Answer:
he tension in an elevator cable is 10,000 N. The elevator itself has a mass of 500 kg.
Explanation:
Answer:
Explanation:
If the distance () and speed (), measured in centimeters and centimeters per hour, respectively, are directly proportional to each other, then each set of values must observe the following relationship:
(Eq. 1)
Where is the proportionality constant, measured in .
If we know that , , , , and , then the constant of proportionality for each pair is:
As , we conclude that correct equation is .