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Leto [7]
3 years ago
9

Standing waves of frequency 68 hz are produced on a string that has mass per unit length 0.0160 kg/m. with what tension must the

string be stretched between two supports if adjacent nodes in the standing wave are to be 0.74 meters apart?
Physics
1 answer:
mario62 [17]3 years ago
3 0
0.54 ghost I think probably
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Making cars that get better gas mileage

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What current flows through a 15 ohm fixed resistor when it operates on a 120-volt outlet?
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Answer: current is 8.0 A

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A 34kg crate resting on a horizontal surface is pushed as shown. If the coefficient of static friction s between the surfaces is
ioda

Answer:

D (not so sure, look in the explanation and judge yourself)

Explanation:

Assume that the acceleration due to gravity is 9.81 m/s^2 downwards

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Answer:

D

Explanation:

A is wrong as otherwise the ocean would be black as light could not pass through it to create images.

B is wrong. This is a weird one as the electromagnetic spectrum attached below shows that radio waves have the least amount of energy vs gamma which has the highest and you can't really compare this to sound waves.

C just straight up false.

D is correct, no way to remember this, just learn it. a couple of facts about transverse waves of google. Electromagnetic waves are a type of transverse waves.  These waves do not require a medium to travel.  As the name of the waves imply, these waves show electrical and magnetic properties.  No any charge occur in the waves.  Electromagnetic waves work by the laws of reflection and refraction.  They travel as straight lines in a vacuum at a speed of 3 x 10 8 ms -1.

Extra info:

As gamma waves have the highest energy it means that the waves are closer together (the wavelength is smaller) and they create more heat. Also gamma waves go through everything, X-ray only through skin and bounces of dense things like bones, which creates images. These eventually weaken more and more until radio waves do not pass through anything and just bounces around and everywhere which allows you to gain more coverage on a radio then on a cell phone.

7 0
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natali 33 [55]

Answer:

You build up kinetic energy and you get shocked this happens because static has built up from the socks and the rug. This also happens when you rub a balloon on your head or shuffle across a trampoline with socks on.

Explanation:

brainliest plz

8 0
3 years ago
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