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2 years ago

What is movement energy?

Physics

2 answers:

KengaRu [80]2 years ago

8 0

Explanation:

is the energy stored in moving objects. As the object moves faster, more energy is stored.

called MOVEMENT energy

Yuki888 [10]2 years ago

5 0

Answer:

The energy associated with an object's motion is called kinetic energy. A speeding bullet, a walking person, and electromagnetic radiation like light all have kinetic energy.

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If a certain silver wire has a resistance of 3.00 Ï at 11.0Â°c, what resistance will it have at 25.0Â°c?

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3 years ago

Which statement is correct? Theories are accepted as true when a single experiment yields similar results to another one. When a

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The third statement is correct.

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2 years ago

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KE=0.5.m.v2 or PE=m.g.h

LUCKY_DIMON [66]

Answer:

1. 37.8J

2. 18 Billion Joules, 18 Gigajoules

3. 9.81 Billion Joules, 9.81 Gigajoules

Explanation:

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2 years ago

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Two loudspeakers in a 20c room emit 686 hz sound waves along the x-axis.a. if the speakers are in phase, what is the smallest di

jeyben [28]

<u>Answer :</u>

(a) d = 0.25 m

(b) d = 0.5 m

<u>Explanation :</u>

It is given that,

Frequency of sound waves, f = 686 Hz

Speed of sound wave at $20^0\ C$ is, v = 343 m/s

(1) Perfectly destructive interference occurs when the path difference is half integral multiple of wavelength i.e.

$d=\dfrac{\lambda}{2}$ ........(1)

Velocity of sound wave is given by :

$v=f\times \lambda$

$d=\dfrac{v}{2f}$

$d=\dfrac{343\ m/s}{2\times 686\ Hz}$

$d=0.25\ m$

Hence, when the speakers are in phase the smallest distance between the speakers for which the interference of the sound waves is perfectly destructive is 0.25 m.

(2) For constructive interference, the path difference is integral multiple of wavelengths i.e.

$d=n\lambda$ ( n = integers )