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Nesterboy [21]
4 years ago
13

Write a letter to a Friend congratulating her / him for her excellent result in annual examination. class 5 the​

Physics
1 answer:
gulaghasi [49]4 years ago
7 0

Answer:

ok will do that

Explanation:

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Please help me ..im begging you​
Deffense [45]

Explanation:

let's assume that:

v1= 600ml=0,6l

T1=27°C= 300K

p1=700mmHG=93326Pa

T2=-20°C=253K

p2=500mmHg=66661

V2=?

p1V1/T1=p2V2/T2 => V2=p1V1T2/p2

V2= 93326*0,6*253/66661

V2=212,52l

5 0
3 years ago
Consider this acid-base reaction:
sergeinik [125]

Answer:

r

Explanation:

8 0
2 years ago
What is the velocity of a 750 kg object at a height of 0m if it’s ME is 3590J?
Cloud [144]

Answer:

Sorry for this question

7 0
3 years ago
The mass of a golf ball is 45.9 g . if it leaves the tee with a speed of 62.0 m/s , what is its corresponding wavelength?
inn [45]

The wavelength of the golf ball is <u>2.328×10⁻³⁴m.</u>

All moving particles with mass have a matter wave associated with it. These matter waves are called deBroglie waves.

The deBroglie wavelength λ of a particle is given by,

\lambda=\frac{h}{mv}

Here, h is the Planck's constant, m is the mass of the ball and v is its velocity.

Calculate the deBroglie wavelength of the moving golf ball by substituting 6.626×10⁻³⁴J s for h, 45.9×10⁻³kg for m and 62.0 m/s for v.

\lambda=\frac{h}{mv}\\ =\frac{6.626*10^-^3^4Js}{(45.9*10^-^3kg)(62.0m/s)} \\ =2.328*10^-^3^4m

The wavelength of the golf ball is  <u>2.328×10⁻³⁴m.</u>




4 0
4 years ago
Can gravity pull? my science class says it can but i dont believe it
mr_godi [17]

Answer:

yeah it can. well gravity is basically what's keeping us on earth without floating away. without gravity we would basically be floating like we're in space. ¯\_༼ ಥ ‿ ಥ ༽_/¯

7 0
3 years ago
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