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arsen [322]
2 years ago
10

A 10kg mass is moving to the right with a velocity of 15 m/s. A 13kg mass

Physics
1 answer:
Paha777 [63]2 years ago
7 0

Answer:

M1u1+(-m2u2) = (m1+m2) V. By using this equation you can find the final velocity of that. It would be 3.13ms-1. And the direction is right side.

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Oppositely charged objects attract each other. This attraction holds electrons in atoms and holds atoms to one another in many c
GalinKa [24]

Answer and Explanation:

This can be explained as in Rutherford's model of atom the electrons orbits the nucleus which means that they will travel around the nucleus with some velocity and hence radiate electromagnetic waves which results in the loss of energy due to which the electron keeps coming closer and eventually falls into the nucleus.

But Bohr came up with a better explanation as according to the Bohr's atomic model, electrons stay fixed in orbit with certain energy in different shells around the nucleus and can only jump from an energy level to another if that specific amount of energy is supplied to it.

This model is based on the quantization of energy thus giving an explanation why electrons do not fall into the nucleus of an atom.

6 0
2 years ago
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After a marathon many runners are given a shiny, aluminium blanket to wrap around their bodies. Explain why the blanket is shiny
vodomira [7]
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2 years ago
A particle moving on a circle has a velocity of 5 m/s and a normal acceleration of 10 m/s^2. What is the radius of the circle?
dybincka [34]

Answer:

Radius of the circle will be 2.5 m

Explanation:

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We know that acceleration is given by a=\frac{v^2}{r}

So 10=\frac{5^2}{r}

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3 0
3 years ago
When an 8 V battery is connected to a resistor, a 2 A current flows in the resistor. What is the resistor's value?
Vinvika [58]

Answer:

B

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the sun was stationary in the center of the universe and the earth revolved around it....

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