3 years ago

Why are fossil fuels like coal, oil, and natural gas called nonrenewable resources?

Physics

1 answer:

Elena L [17]3 years ago

3 0

After they are all used up they can’t be renewed or used anymore.

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A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway; and 4.0 s later, its instantaneous vel

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Answer:

$4.25 m/s^{2}$

Explanation:

Change in velocity considering the x component will be

Final velocity-Initial velocity

$\triangle v_x= 16cos 45^{\circ}-24=-12.6862915 m/s$

Change in velocity considering the y component will be

Final velocity-Initial velocity

$\triangle v_y= 16sin 45^{\circ}-0=11.3137085 m/s$

Resultant change in velocity $=\sqrt {(-12.6862915 m/s)^{2}+(11.3137085 m/s)^{2}}=16.9982938 m/s$

Acceleration= change in velocity per unit time hence

$a= \frac {16.9982938}{4}=4.24957345\approx 4.25 m/s^{2}$

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2 years ago

Your first day on the job, you get a call from the owner complaining that her network connection is down. A quick check of the c

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Answer:

TDR means Timeout Detection and Recovery.

Explanation:

TDR is a feature of the Windows operating system which detects response problems from a graphics card, and recovers to a functional desktop by resetting the card. If the operating system does not receive a response from a graphics card within a certain amount of time (default is 2 seconds), the operating system resets the graphics card.

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3 years ago

Which statement BEST describes acceleration?

Mashutka [201]

C) Acceleration is the rate of change of velocity of an object. Velocity is the speed and direction of an object so acceleration is used to describe the rate of change. I hope this helps!!

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2 years ago

Find the dimension of density

Irina-Kira [14]

Density = Mass divided by Volume

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How long does it take for a Ford Econoline van moving at 39.5 m/s to travel 600 m?

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Answer: B. 15.2s

Explanation: 600/39.5 = about 15.2

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