Question

speed and velocity
name: leandro

1. a person at the equator moves with the earth at 1000 mph. if the earth is 24,000 miles around, how long does it take to complete one circle? 24 hrs
2. apollo 11 took 3 days to travel 230,000 miles to the moon. what was their average speed?
3. a plane travels 6 hrs and 30 min from boston to san francisco at 470 mph. whats the distance?
4. a car is traveling at 60 mph. how long does it take to go a mile?
5. sound travels at 343 m/s. how long will it take sound to run around the track 400 m?
6. light travels at 186,000 mi/sec. how many times around the globe can light go in 1 sec? (24,000 miles)
7. your are driving non - stop from boston to disney world 1,280 miles. if you averaged 65 mph, how many hrs will it take?
8. because of stopping for gas, bathroom breaks and snacks, the trip to florida took 24 hours. what was your actual average speed?

Explanation:

Step1: Convert time

3 days = 3×24 = 72 hours.

Step2: Use speed formula

Speed \(v=\frac{d}{t}\), where \(d = 230000\) miles and \(t = 72\) hours.
\(v=\frac{230000}{72}\approx3194.44\) mph.

Answer:

The average speed was approximately \(3194.44\) mph.