What is the force experienced by a positive test charge of 6.4 × 10-6 coulombs if the electric field strength is 2.8 × 105 newtons/coulomb?

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

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