7. A 15.0 gm toy car moving to the right at 20.0 cm/s has an elastic head-on collision with a 20.0 gm
toy car moving in the opposite direction at 30.0 cm/s. After colliding, the 15.0 gm car moves with a
velocity of 3.14 cm/s to the left. Find the velocity of the 20.0 gm car after the collision.
A) 12.6 m/s to the right
B) 17.4 m/s to the left
C) 12.6 m/s to the left
D) 17.4 m/s to the right

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

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

answer(20) psi;