A train travels at a speed of 30 miles per hour. If 1 mile = 1.6...
A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how fast is the train traveling in kilometers per minute?
Group of answer choices
A 1.0 km/min
B 0.4 km/min
C 0.6 km/min
D 0.8 km/min
Homework Answers
A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles...
A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
13. A car travels 30 miles at an average speed of 60 miles per hour and...
13. A car travels 30 miles at an average speed of 60 miles per hour and then 30 miles at an average speed of 30 miles per hour. What is the average velocity over the entire distance? What is the average velocity over the entire time?
Function s/x)- 3600 ' gives a person's average speed in miles per hour if he or she travels one m...
function s/x)- 3600 ' gives a person's average speed in miles per hour if he or she travels one mile in The function s(x) = 60 + 04r 3600 (60+x) gives a person's average speed in miles per hour if he or she travels one mile in 3600(60 + x) x seconds more or less than 60 seconds. Use a linear approximation to s at 0 to find a person's approximate average speed if he or she travels one mile...
v2 The cost per hour for fuel to run a train is 15 dollars, where v...
v2 The cost per hour for fuel to run a train is 15 dollars, where v is the speed of the train in miles per hour. (Note that the cost goes up as the square of the speed.) Other costs, including labor, are $300 per hour. How fast should the train travel on a 360-mile trip to minimize the total cost for the trip? Write the total cost C as a function of the speed v. C(v) = 0 (Use...
The speed limit on certain interstate highways is 80 miles per hour. (a) What is this...
The speed limit on certain interstate highways is 80 miles per hour. (a) What is this in feet per second? ft/s (b) How many kilometers per hour is this? km/h Additional Materials eBook + -/1 points 2. OSUniPhys1 1.3.WA.007. What is the height in meters of a 6-foot-4-inch tall person? m Additional Materials eBook +-/1 points 3. OSUniPhys1 1.3.WA.008. Mount Everest, at 29,028 feet, is the tallest mountain on Earth. What is its height in kilometers? km
A jogger ran 7 miles, decreased her speed by 1 mile per hour, and then ran...
A jogger ran 7 miles, decreased her speed by 1 mile per hour, and then ran another a miles. I her total jogging time was 2 hours, find her speed for each part of her run mph. The speed for the first part of her run was (Type an integer or a decimal.)
The Taiwan high Speed Train travels at 300 km/h. How fast are the tops of its...
The Taiwan high Speed Train travels at 300 km/h. How fast are the tops of its wheels travelling. The answer is 600 km/h ,why?
A bicyclist in the Tour de France has a speed of 31.0 miles per hour (mi/h)...
A bicyclist in the Tour de France has a speed of 31.0 miles per hour (mi/h) on a flat section of the road. What is this speed in (a) kilometers per hour (km/h), and (b) meters per second (m/s)?
If a bullet travels at 773.0 m/s, what is its speed in miles per hour?
If a bullet travels at 773.0 m/s, what is its speed in miles per hour?
Ben was driving 75 miles per hour in a 60 mile per hour speed zone when...
Ben was driving 75 miles per hour in a 60 mile per hour speed zone when his car hit Sandra’s car as she entered the highway without looking carefully. Ben had the opportunity to move into another lane to avoid hitting Sandra, but failed to do so. If Sandra sues Ben in a state that applies the doctrine of contributory negligence, may Sandra recover damages from Ben?
13. A car travels 30 miles at an average speed of 60 miles per hour and then 30 miles at an average speed of 30 miles per hour. What is the average velocity over the entire distance? What is the average velocity over the entire time?
function s/x)- 3600 ' gives a person's average speed in miles per hour if he or she travels one mile in The function s(x) = 60 + 04r 3600 (60+x) gives a person's average speed in miles per hour if he or she travels one mile in 3600(60 + x) x seconds more or less than 60 seconds. Use a linear approximation to s at 0 to find a person's approximate average speed if he or she travels one mile...
v2 The cost per hour for fuel to run a train is 15 dollars, where v is the speed of the train in miles per hour. (Note that the cost goes up as the square of the speed.) Other costs, including labor, are $300 per hour. How fast should the train travel on a 360-mile trip to minimize the total cost for the trip? Write the total cost C as a function of the speed v. C(v) = 0 (Use...
The speed limit on certain interstate highways is 80 miles per hour. (a) What is this in feet per second? ft/s (b) How many kilometers per hour is this? km/h Additional Materials eBook + -/1 points 2. OSUniPhys1 1.3.WA.007. What is the height in meters of a 6-foot-4-inch tall person? m Additional Materials eBook +-/1 points 3. OSUniPhys1 1.3.WA.008. Mount Everest, at 29,028 feet, is the tallest mountain on Earth. What is its height in kilometers? km
A jogger ran 7 miles, decreased her speed by 1 mile per hour, and then ran another a miles. I her total jogging time was 2 hours, find her speed for each part of her run mph. The speed for the first part of her run was (Type an integer or a decimal.)
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