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Ilia_Sergeevich [38]
3 years ago
11

Convert mm3 into m3.​

Physics
1 answer:
bixtya [17]3 years ago
4 0

Answer:

1 \times 10 { - }^{9}

cubic metre or 1e-9

Explanation:

•By division. Number of cubic millimetre divided(/) by 1000000000, equal(=): Number of cubic metre.

•By multiplication. 83 mm3(s) * 1.0E-9 = 8.3E-8 m3(s)

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Two waves meet and overlap. The first wave has an amplitude of 4.6 centimeters and the second wave has an amplitude of 2 centime
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Answer:

Explanation:

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Amplitude of resultant gives waves = 4.6 - 2 = 2.6 cm.

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A

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two objects are in uniform circular motion at the same speed but at different radii. the ones with the __ radius has the largest
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An engine pulls a train of 20 freight cars, each having a mass of 4.900 × 104 kg, with a constant force. The cars move from rest
bixtya [17]

Answer:

The force with which the tenth car pulls the eleventh one is called tension and is equal to:

T=119715.91 N

Explanation:

The force (F) with which the tenth car pulls the eleventh one is called tension and its direction is the X-direction or horizontal. According to Newton's Second Law of motion:  

\sum F=ma

That is, the force of the car is equal to the acceleration (a) times its mass (m). The acceleration is the change in the velocity divided by the time (i is for initial and f is for final).

a=\frac{v_f-v_i}{t_f-t_f}

Using Newton's second law:  

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\sum F_x=T=ma_x

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\sumF_x=T=ma_x=m\frac{v_f-v_i}{t_f-t_i}

Solve the equation using the data from the problem, remember that the mass of the object is 10 times the mass of one car because the 10th car has to pull all the other cars:

T=m\frac{v_f-v_i}{t_f-t_i}=(10)*(4.900 \times 10^4 kg)(\frac{4.3 m/s}{17.60s})\\T=119715.91 N

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3 years ago
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