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8090 [49]
3 years ago
12

What are other words for saying that a wave is "transmitted" through a medium?​

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

Answer:

Other words for saying that a wave is transmitted through a medium would be a wave transfers from one medium into another.

Explanation:

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A current is established in a gas discharge tube when a sufficiently high potential difference is applied across the two electro
pishuonlain [190]

Explanation:

It is given that the number of electrons passing through the cross-sectional area in 1 s is 3.4 \times 10^{18}. Also, we know that charge on an electron is -1.60 \times 10^{-19} C, then negative charge crossing to the left per second is  as follows.

         I- = 3.4 \times 10^{18} electrons \times -1.6 x 10^{-19} C/electrons

         I- = 0.544 A

As it is given that the number of protons crossing per second is 1.4 \times 10^{18}, as the charge on the proton is +1.60 \times 10^{-19} C, then positive charge crossing to the right per second is calculated as follows.

          I+ = 1.4 \times 10^{18} electrons \times 1.6 \times 10^{-19} electrons/C

            I+ = 0.224 A

          I = l I+ l + l I- l

So,    I = 0.544 + 0.224

            = 0.768 A

Thus, we can conclude that the current in given hydrogen discharge tube is 0.768 A.

8 0
2 years ago
4. A motorist travels 406 km during a 9.0 hr period. What was the average speed in km/hr and m/s?
user100 [1]

Answer:

45.11 kmph and 12.530 m/s

Explanation:

Average speed = Total distance travelled / Total time taken

406/9 gives the answer in kilometers

And we convert it to m/s by multiplying it with 1000/3600

6 0
3 years ago
explain how a large force is exerted on a passenger in a vehicle in the event of a car crash and how this can be reduced.
xeze [42]
Using idea of conservation of impulse-momentum theorem, the instantaneous velocity times mass is equal to force times the change in time.

mv = Ft

To reduce the force, decrease the velocity and mass. You can also extend the time of the collision. This is why cars collapse on impact. They were design that way to reduce the force on the car and the passenger.

Hopes this helps!
5 0
3 years ago
A 6.00 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward force F(t) is applied to the en
Jlenok [28]

Answer:

F=52.1301\ N

Explanation:

Given:

  • mass attached to the rope, m=6\ kg
  • given time, t=4.4\ s

function of height of the mass connected via a rope:

  • y=2.8\ t+0.61\ t^3

differentiate the above eq. with respect to time t gives us the velocity in vertical direction:

v_y=\frac{d}{dt} y

v_y=2.8+1.83\ t^2

put the value of given time:

v_y=2.8+1.83\times 4.4^2

v_y=38.2288\ m.s^{-1}

  • As we know form the Newton'a second law of motion that the rate of change in momentum is proportional to the applied force.

F=\frac{\Delta (m.v_y)}{t}

F=\frac{6\times 38.2288}{4.4}

F=52.1301\ N

6 0
3 years ago
An oxygen bottle containing a fixed volume of o2 gas has a pressure of 800.00 mm hg and a temperature of 295k. if the bottle is
iVinArrow [24]

Since volume and number of moles are constant, we use the Gay-Lussacs Law to find the variable P2.

Gay-Lussacs law is expressed as:

P1 / T1 = P2 / T2

800 / 295 = P2 / 328

<span>P2 = 889.50 mm Hg          (ANSWER)</span>

7 0
3 years ago
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