Which of these explanations is describing the law of inertia?" The seat belt must apply more force to stop a child with more mass than a child with
less mass.
If the car stops suddenly, the seat belt and car seat help overcome the inertia of the
child so the child doesn't keep moving and get injured.
When the seat belt pushes on the child, the child pushes back on the seat belt
None of these are examples of the law of inertia

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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graphing motion: mastery test

209be

what is the instantaneous acceleration of

the particle at point b?

0 meters/second?

10 meters/second?

12 meters/second?

velocity imetersisecond

15 meters/second?

20

time (seconds)

answer: 0 meters/second^2

b.

explanation: