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2 years ago

The more POWER you use to move an object, the more work you do.

Physics

2 answers:

Genrish500 [490]2 years ago

8 0

Answer:

false, The farther you move an object, the more work you do.

Explanation:

hope this helps!

~evita

Finger [1]2 years ago

3 0

Answer:false

Work is done on an object when the object moves in the SAME direction in which the force is applied. If you pull at an angle instead of in the direction in which the object moves, MORE of your force does work. The FARTHER you move an object, the more work you do. ... Power is the RATE at which work is done.

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Structures on a bird feather act like a diffraction grating having 8000 8000 lines per centimeter. What is the angle of the firs

sammy [17]

Answer:

Angle of first order maximum, $\theta=21.19^{\circ}$

Explanation:

Given that,

Wavelength of the light, $\lambda=452\ nm=452\times 10^{-9}\ m$

Number of lines, N = 8000 per cm

The relation between the number of lines and the slit width is given by :

$d=\dfrac{1}{N}$

$d=\dfrac{1}{8000/cm}$

$d=0.000125\ cm=1.25\times 10^{-6}\ m$

The equation of grating is given by :

$d\ sin\theta=n\lambda$

n = 1

$sin\theta=\dfrac{\lambda}{d}$

$sin\theta=\dfrac{452\times 10^{-9}}{1.25\times 10^{-6}}$

$\theta=21.19^{\circ}$

So, the angle of the first-order maximum is 21.19 degrees. Hence, this is the required solution.

6 0

3 years ago

As the also increase. _applied to a circuit increases, the power and the current

polet [3.4K]

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3 years ago

A 1400-kg car is moving at a speed of 25m/s. how much kinetic energy does the car have?

Luba_88 [7]

Answer:

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Explanation:

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