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3 years ago

________________ is the tendency of an object to resist a change in its motion.

Physics

1 answer:

Sliva [168]3 years ago

7 0

Inertia is the tendency of an object to resist a change in its motion.

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What are two reasons why a home computer scanner requires

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Answer: C and D

Explanation: a p e x

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2 years ago

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Convert -13°F into (a) °C (b) kelvin

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Answer:

-25ºC

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2 years ago

1) Calculate the potential energy of a 5.00 kg object sitting on a 3.00 meter high ledge.

maria [59]

Answer:

15kg

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2 years ago

A person sitting on a pier observes incoming waves that have a sinusoidal form with a distance of 2.5 m between the crests. Of a

Doss [256]

Answer:

Part(a): The frequency is $\bf{0.2~Hz}$ .

Part(b): The speed of the wave is $\bf{0.5~m/s}$ .

Explanation:

Given:

The distance between the crests of the wave, $d = 2.5~m$ .

The time required for the wave to laps against the pier, $t = 5.0~s$

The distance between any two crests of a wave is known as the wavelength of the wave. So the wavelength of the wave is $\lambda = 2.5~m$ .

Also, the time required for the wave for each laps is the time period of oscillation and it is given by $T = 5.0~s$ .

Part(a):

The relation between the frequency and time period is given by

$\nu = \dfrac{1}{T}~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(1)$

Substituting the value of $T$ in equation (1), we have

$\nu &=& \dfrac{1}{5.0~s}\\~~~&=& 0.2~Hz$

Part(b):

The relation between the velocity of a wave to its frequency is given by

$v = \nu \lambda~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(2)$

Substituting the value of $\nu$ and $\lambda$ in equation (2), we have

$v &=& (0.2~Hz)(2.5~m)\\~~~&=& 0.5~m/s$

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2 years ago

Name arleady three types of energy associated with a microwave

Elena L [17]

I'm pretty sure what you are trying to ask for is radiative energy, light energy, and electronic energy
Radiative since the microwave is releasing radiation 
Light since there is light inside the microwave.
Electronic since it is plugged in and uses electricity.
You can also use sound, but I don't think every microwave makes sound.

6 0

2 years ago