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Leviafan [203]
4 years ago
9

HELP!!! FAST!! During the first two hours, how far does the car travel?

Physics
2 answers:
Misha Larkins [42]4 years ago
5 0
Hallo! The answer is right there, it traveled 15 km in the first 2 hours. Have a fantastic day and hope you ace this test!
boyakko [2]4 years ago
3 0

Answer:

it traveled 15 km in the first 2 hours.

Explanation:

I agree that it's "it traveled 15 km in the first 2 hours." and if you look at the image Time =2 -> 2 up ti line -> displacement = 15 :)

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Which action do researchers take to make advances in science?
Ugo [173]
<span>b. They share their experimental results with other researchers</span>
6 0
3 years ago
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In a Young's double-slit experiment, light of wavelength 500 nm illuminates two slits which are separated by 1 mm. The separatio
liubo4ka [24]

Answer:

The  value is  y  = 0.0025 \  m

Explanation:

From the question we are told that

   The  wavelength is  \lambda  =  500 \ nm

    The distance of separation is  d =  1\  mm  =  0.001 \ m

   The  distance from the screen is  D  =  5 \ m

Generally the separation between the adjacent bright fringe is mathematically represented as

       y  = \frac{D  *  \lambda }{ d}

=>    y  =  \frac{5 *  500 *10^{-9}}{0.001}

=>    y  = 0.0025 \  m

3 0
3 years ago
A car with a velocity of 6.4 m/s, forward, accelerates to a velocity of 10.6 m/s, forward, in 16 s. What is the card acceleratio
tatuchka [14]

Answer:

acceleration = 0.2625 m/s²

Explanation:

   acceleration = ( final velocity - initial velocity ) / time

Here the final velocity is  10.6 m/s and initial velocity is 6.4 m/s and time is 16 s.

using the equation:

acceleration =  ( 10.6 - 6.4 ) / 16

                     = 0.2625 m/s²

6 0
3 years ago
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The magnetic lines of force always travel from north to south true or false
kumpel [21]

Answer:

True

Explanation:

Magnetic field lines outside of a permanent magnet always run from the north magnetic pole to the south magnetic pole. Therefore, the magnetic field lines of the earth run from the southern geographic hemisphere towards the northern geographic hemisphere.

7 0
2 years ago
A piston-cylinder device initially contains 0.08 m3 of nitrogen gas at 150 kPa and 200°C. The nitrogen is now expanded to a pres
Lemur [1.5K]

Answer:

V_2 = 0.125 m^3

Work done =  = 5 kJ

Explanation:

Given data:

volume of nitrogen v_1 = 0.08 m^3

P_1 = 150 kPa

T_1 = 200 degree celcius = 473 Kelvin

P_2 = 80 kPa

Polytropic exponent n = 1.4

\frac{T_2}{T_1} = [\frac{P_2}{P_1}]^{\frac{n-1}{n}

putting all value

\frac{T_2}{473} = [\frac{80}{150}]^{\frac{1.4-1}{1.4}

\frac{T_2} = 395.23 K = 122.08 DEGREE \ CELCIUS

polytropic process is given as

P_1 V_1^n = P_2 V_2^n

150\times 0.08^{1.4} = 80 \times V_2^{1.4}

V_2 = 0.125 m^3

work done = \frac{P_1 V_1 -P_2 V_2}{n-1}

= \frac{150 \times 0.8 - 80 \times 0.125}{1.4-1}

                  = 5 kJ

4 0
3 years ago
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