Sumali sa komunidad ng IDNStudy.com at simulang makuha ang mga sagot na kailangan mo. Makakuha ng mga kumpletong sagot sa lahat ng iyong mga tanong mula sa aming network ng mga eksperto.


Activity: Solve each problem involving average speed. Be sure to show all solutions and to use
correct units.
1. Maria drives her car for 1 2 hours with a constant speed of 65 km/h and then for another 60 minutes with
a constant speed of 80 km/h. What was her average speed?
2. Slyvette rides her bike for 120 minutes with a constant speed of 30 kmih and then for another 6 hours
with a constant speed
of 20 km/h. What is her average speed for the total trip?


Sagot :

Answer:

1. 72.5 km/hr

Explanation:

1. [tex]Average Speed=\frac{s_{1}+s_{2} }{2} \\Average Speed=\frac{65km/hr+80km/hr }{2} \\\\Average Speed=\frac{145}{2} \\\\Average Speed=72.5 km/hr[/tex]

2.