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2 years ago

Which of the following objects in motion has the highest inertia?

Physics

1 answer:

Svetach [21]2 years ago

4 0

Answer:

D.) A 15 kg mass moving at 2.0 m/s

Explanation:

The inertia of an object is most directly related to its mass and not the magnitude of the velocity.

So, the higher the mass of an object, the more its inertia.

According to Newton's first law of motion "an object will remain in its state of rest or of constant motion unless it is acted upon by an external force".

Inertia is the tendency of a body to remain in a state of rest either by virtue of its static position of constant motion.
The larger the mass, the more this tendency.
An object with a large mass will take more force to bring it from rest or change its motion.

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A diode for which the forward voltage drop is 0.7 V at 1.0 mA is operated at 0.5 V. What is the value of the current

Vesnalui [34]

Answer:

the current value is $0.335 \mu A$

Explanation:

The computation of the value of the current is given below:

$z_i = I_s e^{\frac{0.7}{ut} }= 10^{-3}\\\\Z_z = I_s e^{\frac{0.5}{ut} }\\\\\frac{Z_z}{Z_i}= \frac{Z_z}{10^{-3}} = e^{\frac{0.5\times 0.7}{0.025} }\\\\= 0.335 \mu A$

Hence, the current value is $0.335 \mu A$

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2 years ago

Give an example for each of the following, where the force:

max2010maxim [7]

Explanation:

A cricket player hitting the ball from opposite direction.
A footballer kicking ball with more force.
Heating of a plastic bottle.
Applying brake of a car.
rolling a stopped marble on a table.

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2 years ago

Read 2 more answers

Which planet has the most extreme temperature difference between day and night?

Softa [21]

Answer:

Explanation:

Mercury, the first planet from the Sun, endures drastic temperature changes from day to night. During the day, the planet is incredibly near to the Sun, with temperatures reaching 430°C.

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1 year ago

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FromTheMoon [43]

What is it about, I can help.

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3 years ago

A wave with a frequency of 14Hz has a wavelength of 3 meters. At what speed will this wave travel

topjm [15]

Answer:

42 m/s

Explanation:

by definition of the velocity(speed) of a wave,

The velocity of light, v, is the product of its wavelength, λ , and its frequency, f.

V= fλ

frequency - number of occurances in a unit time

(check the graph)

$velocity=frequency*wave.length\\=14Hz*3m\\=42 ms^{-1}$

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3 years ago