A person walks from home to a store with an average speed of 3 feet per second. When returning home from store, she jogs with an average speed of 6 feet per second, following her original path. What is the average speed for the round trip?
a. 3 feet per second
b. 4 feet per second
c. 4.5 feet per second
d. 6 feet per second
b. 4 feet per second
Trades & Technology
You might also like to view...
This type of cam is used when it is necessary for the follower to move in a path parallel to the axis of the cam.
a. plate cam b. face cam c. cylindrical cam d. drum cam
Trades & Technology
These grow naturally in an area from southeastern North Carolina to southern Maine to southern Michigan
A) Halfhigh B) Highbush C) Lowbush D) Rabbiteye
Trades & Technology
What is a hazardous materials placard?
Trades & Technology
A 30° kick has a hypotenuse of 10". Given that the cosecant of 30° is 2, determine the side opposite or how far off the surface the end of the kick needs to be.
a. 5" b. 10" c. 15" d. 20"
Trades & Technology