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ivann1987 [24]
4 years ago
10

Please need help on this one

Physics
1 answer:
Hunter-Best [27]4 years ago
3 0

true. neutrons add mass to nucl but not charge to nucl/atom

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A 10- kg ball starting from rest rolls down a 5 m tall smooth hill from one person to another person who is standing at the bott
olya-2409 [2.1K]

Answer: 3.13 m

Explanation:

Given

mas of the ball is m=10 kg

The ball rolls down a vertical distance of 5 m

Spring constant of spring is k=100\ N/m

Here, the potential energy of the ball converted into kinetic energy which in turn converts into elastic potential energy

\Rightarrow mgh=\frac{1}{2}kx^2\quad [\text{x=compression in the spring}]\\\\\Rightarrow 10\times 9.8\times 5=\frac{1}{2}\cdot 100\cdot x^2\\\Rightarrow x=\sqrt{9.8}\\\Rightarrow x=3.13\ m

Thus, the spring compresses by 3.13 m.

6 0
3 years ago
Is a copper wire a conductor or insulator?
irina [24]

Answer:

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suppose a scientific team is trying to recreate the energy producing reactions that occur in the sun. what would they need for t
valentina_108 [34]

For energy producing reactions they need Hydrogen atoms, heat, and pressure for the experiments.

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7 0
3 years ago
a car traveling at 11.2 m/s increases speed to 24.6 m/s over 4.4 seconds. what is the acceleration of the car
Sveta_85 [38]

Answer:

24.6 - 11.2 / 4.4 = 3.045m/s

Explanation:

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4 0
4 years ago
100 POINTS !!! PLEASE HELP !!!!
Yuri [45]

Answer:

dependent: the outcome of the experience

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Explanation:

I got u.

7 0
3 years ago
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