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tatiyna
3 years ago
13

In longitude waves, the medium moves parallel to the direction of energy transport

Physics
1 answer:
adelina 88 [10]3 years ago
7 0
Yep that's correct
And transverse waves move perpendicular to the direction of energy transport
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Using kinetic molecular theory and collision theory, explain why the absolute temperature scale (kelvins) is more appropriate th
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According  to   kinetic   molecular  theory  temperature  is  a  measure  of  kinetic  energy.There  is  absolute  minimum  temperature  which  occurs  when  something  completely  stop  moving   whereby  temperature  cannot  become  lower   than   this  point. The   absolute  zero  which  has  been  extrapolated  to  exist  at  about  -273  celsius  while  in   kelvin  scale  is  set  such  that  absolute  zero  is 0  k  thus  kelvin   is  better   inorder  to  avoid  negative  number  when  calculating. 
5 0
3 years ago
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prove that the rate of heat production in each of the two resistors connected in parallel are inversely proportional to the resi
Katyanochek1 [597]
I believe that the answer to the question provided above is that with increase in resistance provided with constant current, Power dissipated will be lessen since power loss is high. Low power dissipation has low heat production.
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5 0
3 years ago
an audio CD has a diameter of 120 mm and spins at up to 540 rpm. When a CD is spinning at its maximum rate, how much time is req
Andru [333]

Answer:

 t = 0.1111 s

Explanation:

Let's reduce the magnitudes to the SI system

    d = 120 mm (1m / 1000 mm)

    d= 0.120 m

    w = 540 rpm (2pi rad / 1 rev) (1 min / 60s)  

     w= 56.55 rad / s

When at maximum speed we can use angular kinematic relationships to find the time for a sperm revolution with zero angular acceleration

     W = θ / t

     t = θ / w

     t = 2π / 56.55

     t = 0.1111 s

6 0
3 years ago
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from 0 to 5.40 m/s
tekilochka [14]

Answer:

a) 378Ns

b) 477.27N

Explanation:

Impulse is the defined as the product of the applied force and time taken. This is expressed according to the formula

I = Ft = m(v-u)

m is the mass = 70kg

v is the final velocity = 5.4m/s

u is the initial velocity = 0m/s

Get the impulse

I = m(v-u)

I = 70(5.4-0)

I = 70(5.4)

I = 378Ns

b) Average total force is expressed as

F = ma (Newton's second law)

F = m(v-u)/t

F = 378/0.792

F = 477.27N

Hence the average total force experienced by a 70.0-kg passenger in the car during the time the car accelerates is 477.27N

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3 years ago
What is the term that describes the amount of water in a volume of air at a specific temperature compared to the amount of water
Natasha_Volkova [10]
I believe it is relative humidity.
6 0
3 years ago
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