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nlexa [21]
3 years ago
7

What is the definition of inertia? A. The amount of force required to reach the speed of light. B. The rate at which an object a

ccelerates. C. The tendency of an object in motion to decelerate. D. The tendency of a body at rest to stay at rest or of a body in motion to remain in motion.
Physics
2 answers:
MAVERICK [17]3 years ago
6 0
The correct answer would be D
Igoryamba3 years ago
5 0

Answer: The tendency of a body at rest to stay at rest or of a body in motion to remain in motion.

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Explaining How Momentum Can Cause
Ghella [55]

Answer:

The astronaut can throw the hammer in a direction away from the space station. While he is holding the hammer, the total momentum of the astronaut and hammer is 0 kg • m/s. According to the law of conservation of momentum, the total momentum after he throws the hammer must still be 0 kg • m/s. In order for momentum to be conserved, the astronaut will have to move in the opposite direction of the hammer, which will be toward the space station.

Explanation:

6 0
2 years ago
An object kept in front of lens, which is thick at the edges, produces a _________,
Wewaii [24]

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B

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2 years ago
Potassium is a crucial element for the healthy operation of the human body. Potassium occurs naturally in our environment and th
Mariulka [41]

Answer:

a) 0.0288 grams

b) 2.6*10^{-10} J/kg

Explanation:

Given that:

A typical human  body contains about 3.0 grams of Potassium per kilogram of body mass

The abundance  for the three isotopes are:

Potassium-39, Potassium-40, and Potassium-41 with abundances are 93.26%, 0.012% and 6.728% respectively.

a)

Thus; a person with a mass of 80 kg will posses = 80 × 3 = 240 grams of potassium.

However, the amount of potassium that is present in such person is :

0.012% × 240 grams

= 0.012/100 × 240 grams

= 0.0288 grams

b)

the effective dose (in Sieverts) per year due to Potassium-40 in an 80- kg body is calculate as follows:

First the Dose in (Gy) = \frac{energy \ absorbed }{mass \ of \ the \ body}

= \frac{1.10*10^6*1.6*10^{-14}}{80}

= 2.2*10^{-10} \ J/kg

Effective dose (Sv) = RBE × Dose in Gy

Effective dose (Sv) =  1.2  *2.2*10^{-10} \ J/kg

Effective dose (Sv) = 2.6*10^{-10} J/kg

 

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3 years ago
Who will most likely have the lowest credit score. PLEASE HELP MEEE
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A. usually 3 cards a year means you have little or no credit I believe

4 0
2 years ago
What are some examples of irreversible processes in nature?
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Burning. When you burn something, it turns into ash you can't make that thing turn into what it was before.

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