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BabaBlast [244]
3 years ago
7

What type of rays would you expect to be used frequently at a hospital to make medical diagnoses?

Physics
1 answer:
Bess [88]3 years ago
7 0
X rays because to see your bones
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An object moving with a speed of 5m/s comes to rest in 10s after the brakes are applied . What is the initial velocity​?
Flauer [41]

Initial velocity is 5m/s.

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2 years ago
When I bump the table, the coffee in my cup spilled out. Newton's _____ law explains this reaction.
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When I bump the table, the coffee in my cup spilled out. Newton's 1st law explains this reaction.

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3 years ago
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Which value is most likely to be the pH of a salt that is formed by the reaction of a strong acid and a weak base?
Mice21 [21]
In a hydrolysis reaction between a strong acid and a weak base, the salt formed will have a pH less than 7. By virtue of this phenomenon between <span>weak bases and strong acids</span>, the anion of the strong acid will fail to attract the hydrogen ion<span>, while the cation from the weak base will donate a </span>proton<span> to the water forming a hydronium ion</span><span>.
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3 years ago
A spring with spring-constant of 100 n/m is compressed 0.10 m. what is its maximum stored elastic potential energy
Ganezh [65]

Elastic potential energy stored in a spring is

(1/2) · (spring constant) · (stretch or compress)² .

PE = (1/2) · (100 N/m) · (0.1 m)²

PE = (50 N/m) · (0.01 m²)

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5 0
3 years ago
A rock falls from the top of a hill to the bottom. The total energy of the rock at the top isn’t the same as the sum of its pote
mart [117]

Answer:

A) some of the rocks energy is transformed to thermal energy

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If we neglect air resistance during the fall of the rock, than the mechanical energy of the rock (which is sum of its potential energy and its kinetic energy) would be constant during the entire motion, so the total energy of the rock at the top would be the same as the sum of its potential energy and kinetic energy at the bottom.

However, this not occurs, due to the presence of air resistance. In fact, air resistance acts against the fall of the rock, and because of the friction between the molecules of air and the surface of the rock, the rock loses part of its energy. This energy is converted into thermal energy of the molecules of the air.

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