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zloy xaker [14]

3 years ago

15

What is Newton's second law of motion?

2 answers:

Lesechka [4]3 years ago

7 0

<h2><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h2>

What is Newton's second law of motion?

<h2><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u>:-</h2>

Newton's second law of motion states that the rate of change of momentum is directly proportional to the applied force and the direction of change of momentum takes place towards direction of applied force.

<h3> $\bullet$ What do you come to know from Newton's second law of motion?</h3>

1. Concept of Momentum.

2. Measurement of Force.

_____________________________________

<h3 /><h3 /><h3 /><h3> $\bf Hope \: it \: helps \: you$ .</h3>

Citrus2011 [14]3 years ago

5 0

Answer:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object

<h2>Hopefully u will satisfy with my answer of ur question..!!</h2>

<h2>Mark on brainleast please..!!</h2>

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A stationary police car emits a sound of frequency 1240 HzHz that bounces off of a car on the highway and returns with a frequen

Tju [1.3M]

Answer

given,

frequency from Police car= 1240 Hz

frequency of sound after return = 1275 Hz

Calculating the speed of the car = ?

Using Doppler's effect formula

Frequency received by the other car

$f_1 = \dfrac{f_0(u + v)}{u}$ ..........(1)

u is the speed of sound = 340 m/s

v is the speed of the car

Frequency of the police car received

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now, inserting the value of equation (1)

$f_2= f_0\dfrac{u+v}{u-v}$

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ϟ $\huge{ \boxed{ \purple{ \text{Simple \: Machine}}}}$

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Hope I helped ! ッ

Have a wonderful day / night ♡

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