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dimulka [17.4K]
3 years ago
13

3. A force of 200 N is applied to an object of area 2 sq.m . the pressure will be​

Physics
2 answers:
Vladimir79 [104]3 years ago
8 0

Answer:

100 Pa

Explanation:

Pressure = Force/Area

P = 200/2

P = 100

The SI unit is Pa for pressure, one newton per square meter N/m².

MAVERICK [17]3 years ago
3 0

Answer: 100 Pa

Explanation:

P = F / A = 200/ 2 = 100 Pa

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sasho [114]

The sound wave will have traveled 2565 m  farther in water than in air.

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Explanation:

It is known that distance covered by any object is directly proportional to the velocity of the object and the time taken to cover that distance.

Distance = Velocity × Time.

So if time is kept constant, then the distance covered by a wave can vary depending on the velocity of the wave.

As we can see in the present case, the velocity of sound wave in air is 343 m/s. So in 2.25 s, the sound wave will be able to cover the distance as shown below.

Distance = 343 × 2.25 =771.75 m

And for the sound wave travelling in fresh water, the velocity is given as 1483 m/s. So in a time interval of 2.25 s, the distance can be determined as the product of velocity and time.

Distance = 1483×2.25=3337 m.

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