A car is traveling at 70 miles per hour. How fast would that be in feet per minute?

Question

I need to know this answer please! I'm doing my homework and my teacher will give me a 0 if it's not complete!

Answer 1

When I learned to drive (which you should look forward to doing), it was very handy to remember that 60 mph was 88 ft per second.  This allowed me to answer the questions on the written driving test about stopping distance.  Let's find feet per minute.

 

Now, to convert units without converting the value, we multiply by 1 (which is called the multiplicative identity for that reason).

                70 mi/hr

                (70 mi)/(1 hr) * 1

                ((70 mi)/(1 hr)) * ((5280 ft)/(1 mi))

                ((70 mi)/(1 hr)) * ((5280 ft)/(1 mi)) * ((1 hr)/(60 min))

                 (70)*(5280)/(60) ) ft/min          [note: mi and hr cancel out]

                 6160 ft/min

 

Now, to remember when driving, 70 mph is 102 2/3 ft/sec.

Answer 2

70 mile/hf = 5280 ft/mile =369600 ft/hr= 6160 ft/min