Physics, 26.06.2019 14:00 Galaxystyx

Accelerated motion is represented by a line on a nonlinear distance-time graph.

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Answer from: tiffcarina69

Accelerated motion could be changing speed, or changing direction, or both.

If it's only the direction changing and not the speed, then you'll never see it on a distance/time graph.

If the speed is changing, then a velocity/time graph can be any kind of a line except horizontal or vertical, and a distance/time graph must be curved.

Answer from: dondre54

Accelerated motion is represented by a CURVED line on a nonlinear distance-time graph.

Explanation:

For uniform acceleration we know that

$\frac{dv}{dt} = a$

now integrating both sides we will have

$\int dv = \int adt$

now after integration we will have

v - v_o = at

now we have

v = v_o + at

again we know that

$\frac{dx}{dt} = v_o + at$

again by integration both sides

$x - x_0 = v_o t + \frac{1}{2}at^2$

$x = x_0 + v_0t + \frac{1}{2}at^2$

now since this equation is a quadratic equation so here distance time graph must be a curved graph

Answer from: Quest

another example of kinetic energy would be,

kinetic energy > moving energy

answer > letter choice (c), a hammer falling off a table.

hope that ! : )

Answer from: Quest

-first use of geothermal energy occurred more than 10,000 years ago in north america by american paleo-indians

-the first industrial use of geothermal energy began near pisa, italy in late 18th century

-in 1904, italian scientist piero ginori conti invented the first geothermal electric power plant in which steam was used to generate the power

-with the above experiment, the first geothermal plant in usa started in 1922 with a capacity of 250 kilowatts

-however, in 1946 first ground-source geothermal heat pump installed at commonwealth building in portland, oregon

-during the 1960’s, pacific gas and electric began operation of first large scale geothermal power plant in san francisco, producing 11 megawatts

-in 1973, when oil crisis began many countries began looking for renewable energy sources and by 1980’s geothermal heat pumps (ghp) started gaining popularity in order to reduce heating and cooling costs

-as effect of climate change started showing results, governments of various countries joined hands to fight against it, for which kyoto protocol was signed in japan in 1997, laid out emission targets for rich countries and required that they transfer funds and technology to developing countries, 184 countries have ratified it

hope this

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Accelerated motion is represented by a line on a nonlinear distance-time graph....