Series SpringsFor parts (a) through (d), let's start by considering two identical springs each having spring constant, k, linked together and pulled from opposite ends by equal tension forces T. We imagine that they are connected together by molecules that are short and that don't stretch significantly compared to the springs themselves. Consider this combination as a single "effective" spring. (Imagine it's contained in a box and you can't see that it actually is made up of two separate springs.) How much would it stretch when it is pulled from the two ends by a tension force T?

a. 74 degrees

step-by-step explanation:

because the lines through the side and the box in the corners shows that these are congruent triangles and since they are mirrored the 37 degrees is also mirrored so the answer is 37 * 2 which is 74.

the first one

step-by-step explanation:

just id the test.

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.