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sergiy2304 [10]
3 years ago
13

24 POINTS

Physics
1 answer:
arsen [322]3 years ago
7 0
It is a good question !!

A wave of a wavelength of infinitesimal small meters !!
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Select the correct answer.
Serga [27]

The answer

Is Tension.

6 0
3 years ago
A system gains 3220 J of heat at a constant pressure of 1.32 × 105 Pa, and its internal energy increases by 3990 J. What is the
alukav5142 [94]

Answer:

ΔV= -5.833×10⁻³

Negative sign indicates that volume decreases

Explanation:

Given data

System heat gains Q=3220 J

Pressure P=1.32×10⁵Pa

Internal energy increases ΔU=3990 J

To find

Change in volume ΔV

Solution

First we need to find the work done

So

W=Q-ΔU

W=3220J-3990J

W= -770J

Now for the change in volume at constant pressure

ΔV=(W/P)

=(\frac{-770J}{1.32*10^{5}Pa } )\\= -5.833*10^{-3}

ΔV= -5.833×10⁻³

Negative sign indicates that volume decreases

8 0
3 years ago
Read 2 more answers
Suppose the mass of a fully loaded module in which astronauts take off from the Moon is 12,900 kg. The thrust of its engines is
Alexandra [31]

Answer:

Acceleration a=0.5 m/s²

Explanation:

Given data

Mass m=12,900 kg=1.29×10⁴kg

Thrust of engine F=28,000 N=2.8×10⁴N

gravitational acceleration g=1.67 m/s²

To find

Acceleration

Solution

As we know  that

W_{weigth}=mg\\ W=(1.29*10^{4}kg )(1.67m/s^{2} )\\W=21543N

The net force can be given as

F_{net}=F_{thrust}-W\\F_{net}=(2.8*10^{4}-21543)N\\   F_{net}=6457 N

From Newtons second law of motion we know that

F=ma\\a=F/m\\a=\frac{6457N}{12,900kg}\\ a=0.5m/s^{2}

6 0
3 years ago
Can you help me with this pls
devlian [24]

Answer:

Can you help me with this pls

4 0
2 years ago
Hdhdbdbdbvdvdjebdbdbd bddb
xeze [42]

Answer:

can't read it

Explanation:

3 0
3 years ago
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