The potential energy on a spring is proportional to the square of which of these quantities

1 answer:

8 0

The magnitude of the force required to change the length of a spring-like object is directly proportional to the spring constant and the displacement of the spring. Elastic potential energy is directly proportional to the square of the change in length and the spring constant.

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which of the following substances is least able to cross the blood-brain barrier.)a. waterb. sodium ionsc glucosed. white blood

ivolga24 [154]

Answer:

d. white blood cells

Explanation:

It is the white blood cells that have the least tendency to cross the blood- brain barrier.

Blood- brain barrier is psychological barrier and restricts substances that circulate into the blood from crossing over the central nervous system.

Water, glucose as well as sodium ions can easily cross the barrier. As these are good for body supply energy to the brain.

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MakcuM [25]

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3 years ago

Of the following choices, pick all that are uses for radiation. Check all that

Novosadov [1.4K]

A B C these are the answers hopes this help <3

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2 years ago

The pictures to the right, show two different models of the atom. Type in the letter of your answer. Which model best represents

Solnce55 [7]

Answer:

Model B

Explanation: