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viktelen [127]
3 years ago
8

Help! Is friction acting on a moving ship useful?

Physics
1 answer:
puteri [66]3 years ago
3 0

Answer: The answer is C. Yes

Explanation: The friction force is the force that opposes any object moving. Anything that moves on any surface do have a frictional force.

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When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused b
Likurg_2 [28]
This is caused by A. resonance.
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5 0
4 years ago
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HELP PLEASE!! <br><br>what will happen if you add a stronger battery to an electromagnet?? <br><br>​
Gala2k [10]

The electromagnetic force will be stronger since the electromagnet get it's force from the battery.

6 0
4 years ago
What is the tail of a comet made of
ycow [4]
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3 0
3 years ago
Light enter the container of the liquid at the angle 37° to the normal refraction beam makes an angle of 27° with the normal. Ca
Sliva [168]

Answer: 1.33

Explanation:

We would apply Snell's law which is expressed as

niSinθi = nrSinθr

where

θi = angle of incidence

θr = angle of refraction

ni = index of refraction of the incident medium(air)

nr = index of refraction of the refractive medium(liquid in this case)

From the information given,

ni = 1(index for air)

θi = 37

θr = 27

By substituting these values into the formula, we have

1 * sin37 = nr * sin27

nr = sin37/sin27

nr = 1.33

The index of the liquid is 1.33

6 0
1 year ago
i learned that kinetic energy is energy when an object is actually moving not including the moving particles. i also learned tha
GaryK [48]

Answer:

Part of that kinetic energy created by moving of particles in object is transformed to heat that can be measured by thermometer.

Explanation:

By moving object creates kinematic energy, that is true. In object itself small particles are moving and creating kinetic energy as well. Part of that kinetic energy created by moving of particles in object is transformed to heat that can be measured by thermometer.

Same thing is that when you run or exercise your body temperature is raising(because of moving ).

When you sit your body does not raise temperature.

6 0
3 years ago
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