3 years ago

When an object experiences uniform circular motion the direction of the net force is?

1 answer:

3 0

In an uniform circular motion, the direction of the net force on the object is radially inward, passing through the center of the circle.

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Two boys are sliding toward each other on a frictionless, ice-covered parking lot. Jacob, mass 45 kg, is gliding to the right at

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Answer:

$v=0.3381\ m.s^{-1}$ in the direction of motion of Jacob

Explanation:

Given:

mass of Jacob, $m_j=45\ kg$

velocity of Jacob, $v_j=8.08\ m.s^{-1}$

mass of Ethan, $m_e=31\ kg$

velocity of Ethan, $v_e=10.9\ m.s^{-1}$

Now using the conservation of linear momentum for the case:

(When the two masses in motion combine to form one after the collision then they will move together in the direction of the greater momentum.)

$(m_j+m_e).v=m_j.v_j-m_e.v_e$

$(45+31)\times v=45\times 8.08-31\times 10.9$

$v=0.3381\ m.s^{-1}$ in the direction of motion of Jacob as it was assumed to be positive.

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Which of the following is NOT a risk behavior?

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Answer:

the answer is abstinence.

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Which best describes the result when the concentration of a solution is increased? The amount of solute is increased, and the co

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The amount of solute is increased, and the conductivity of the solution is increased

Explanation:

The ability of a solution to conduct electricity is conductivity.The more concentrated a solution is the higher the conductivity.This is because the concentration of ions will increase.Increasing solute increases the concentration of a solution thus rising the conductivity.

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Conductivity of a solution :brainly.com/question/9486572

Keywords : concentration, solution, solute, conductivity

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__________ includes the objects speed and direction of motion.

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Rate would be the answer

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You use sunglasses to reduce the glare of the sun when you go outside. You are taking advantages of light’s ability to do which

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to polarize the sun brightness

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