# phyicis

posted by .

After cruising at 75 mph down I-80 for 15 minutes on a roach trip, you hit traffic and travel at 15m/s for 15 minutes for the rest of trip. your average speed is 24.26 m/s.

What if you were traveling at each speed for the same distance instead of time? What would your average speed be there?

## Similar Questions

1. ### STAT-discrete random varaibles

a driver passes 4 sets of traffic lights. the random varaible X is the number of traffic lights he has to stop at. the probabilty distribution for x is given: x 0 1 2 3 4 prob 0.1 0.2 0.3 0.2 0.2 a) find the upper quartile of the number …
2. ### Math

On a business trip a salesman traveled 40 mph for the first third of his trip and 50 mph for the remainder. If the entire trip took 4 hours and 20 minutes, how many miles did he travel?
3. ### college physics

urgent help please...i need answers for this... 1.) a sprinter accelerates from rest to 10.0 m/s in 1.35 s. what is her acceleration in a.) in m/s squared b.) in km/h squared. 2.) a car slows down from a speed of 25.0 m/s to rest 5.00 …
4. ### math

you commute 63 miles one way to work. the trip to work takes 20 minutes longer than the trip home. your avarage speed on the trip home is 12 mph faster. What is your average speed on the trip home?
5. ### algebra

A motorboat can maintain a constant speed of 24 mph relative to the water. The boat makes a trip upstream to a certain point in 62 minutes. the return trip takes 34 minutes. What is the speed of the current?
6. ### physics

a man drives with an average speed of 25 mph for 20 minutes. he rests at his destination for 1 hour and then returns home with an average speed for this leg of the trip of 15 mph A) what is his average speed for the round trip B) What …
7. ### Math

can you help i dnt know what to do so could you tell me how to solve it 1. every weekend, Phil drives from his home to his favorite amusement park, a distance of 60 miles. a. If he averages 40 mph for the first half of the trip, what …
8. ### Calculus Help

A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your answers to three decimal places.) (a) What is the maximum distance the train can travel if it accelerates …
9. ### Physics

A train accelerates from rest at a rate of 4m/s^2 for 5 minutes. Then it continues with constant velocity for 10 minutes. Then it slows down to a complete stop while traveling 200 meters. a. What was the total displacement of the train?
10. ### physics

a woman drives at a speed of 20m/s for part of a trip and at a speed of 30m/s for the rest of the trip if she spends 10 minutes driving at each speed determine her average speed for the full trip. If instead she drives 10 kilometers …

More Similar Questions