Four identical springs are attached to a surface as shown. Determine the spring force, spring constant and stretch length in each case. Also determine the length at which the last mass will hang at rest. Note: Drawing is not to scale.

emily ruth's annual premium is $1058.50

step-by-step explanation:

emily ruth is a female of 27 years age purchasing 20 year endowment insurance with face value $25000.

from the given table,

for females, the age of a male 3 years younger should be used.

so, we have to check for 24 year male for 20 year endowment.

it is 42.34 for every $1000 face value.

for a face value of $25000,

it is 25 * 42.34 = $1058.50

∴ emily ruth's annual premium is $1058.50

3.2x10^7

answer: 31, 5556. 952 seconds

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.