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3 years ago

6

What does Newton's third law describe?

2 answers:

Lelechka [254]3 years ago

4 0

Answer:

Newton's Third law of motion: "Every action has an equal and opposite reaction."

Explanation:

An example of Newton's third law is when a rocket is launched, the boosters apply force on the ground and the ground pushes back, which makes the rocket take off.

Vesnalui [34]3 years ago

3 0

Answer:

Newton's third law is: For every action, there is an equal and opposite reaction.

Explanation:

The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.

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5. The speed of a transverse wave on a string is 170 m/s when the string tension is 120 ????. To what value must the tension be

ANTONII [103]

Answer:

The tension on string when the speed was raised is 134.53 N

Explanation:

Given;

Tension on the string, T = 120 N

initial speed of the transverse wave, v₁ = 170 m/s

final speed of the transverse wave, v₂ = 180 m/s

The speed of the wave is given as;

$v = \sqrt{\frac{T}{\mu} }$

where;

μ is mass per unit length

$v^2 = \frac{T}{\mu} \\\\\mu = \frac{T}{v^2} \\\\\frac{T_1}{v_1^2} = \frac{T_2}{v_2^2}$

The final tension T₂ will be calculated as;

$T_2 = \frac{T_1 v_2^2}{v_1^2} \\\\T_2 = \frac{120*180^2}{170^2} \\\\T_2 = 134.53 \ N$

Therefore, the tension on string when the speed was raised is 134.53 N

3 0

2 years ago

Q3, A ball of mass 5.0 kg moving with a Velocity of 10.0 ms collides

Mrrafil [7]

Answer:

Their common velocity after the collision will be 5.5m/s

Explanation:

look at the attachment above ☝️

5 0

1 year ago

An ice cube at 0°C is placed in a very large bathtub filled with water at 30°C and allowed to melt, causing no appreciable chang

Paladinen [302]

Answer:

C. The entropy of the system (ice plus water) increases because the process is irreversible.

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2 years ago

A neutral atom contains 8 protons 9 neutrons, and 8 electrons the atom must be A. A oxygen isotope. B. A nitrogen isotope. C. A

Harrizon [31]

Answer:

A an Oxygen isotope

Explanation:

The number of protons is the Same as the atomic number

The atomic number is 9 is the atom has 9 protons

Thus, the atom is an oxygen isotope

6 0

3 years ago

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PLEASE HELP!!!! Explain why an object made from aluminum will not stick to a magnet

uranmaximum [27]

Because aluminum is not made out of the same material as a magnet would be

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3 years ago