3 years ago

Protons and neutrons in an atom are held together by _____.

Physics

1 answer:

marysya [2.9K]3 years ago

7 0

Protons and neutrons in an atom are held together by a nuclear energy also called the strong force.

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Someone help me , is it qualitative or quantitative.

AysviL [449]

The chart is quantitative and the beakers are qualitative.

Quantitative things always include numbers or data.
Qualitative things are based on observation.

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3 years ago

A motorcycle has a constant acceleration of 3.49 m/s2. Both the velocity and acceleration of the motorcycle point in the same di

Vilka [71]

Answer:

(a)2.865 s

(b)2.865 s

Explanation:

We are given that

Acceleration,a= $3.49 m/s^2$

a.Initial speed,u=29 m/s

Final speed,v=39 m/s

We know that

$t=\frac{v-u}{a}$

Using the formula

$t=\frac{39-29}{3.49}=2.865 s$

b.Initial speed,u=59 m/s

Final speed,v=69 m/s

Again using the formula

$t=\frac{69-59}{3.49}=2.865 s$

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2 years ago

What happens to the chemical structure of water when it changes state?

Marta_Voda [28]

Answer:

c) Water molecules melt into gas molecules.

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2 years ago

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula: )

andrezito [222]

Answer:

1/2mv^2 a(7.5 b(15 kg c(60 kg d(120 kg. nevermind i found the answer its (15 kg) because to solve for m its m= K2/v squared.

Explanation:

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2 years ago

Developed countries typically have _______.

Anna35 [415]

Answer:

Good government

Explanation:

Many people will think its natural resources but its not. Africa is a proof. They have resources but leadership is what makes most of their countries 3rd world. #BADGOVERNANCE

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2 years ago