Two particles with masses m and 3m are moving toward each other along the x axis with the same initial speeds vi. particle m is traveling to the left, and the particle 3m is traveling to the right. they undergo an elastic glancing collision such that particles m is moving in the negative y direction after the collision at a right angle from its initial direction.

(a) find the final speeds of the two particles in terms of vi.

(b) what is the angle theta at which the particle 3m is scattered?

ANGLE is 35.3 degree celcius

Explanation:

Given data:

mass m and 3m

initial speed Vi

particle with mass m is moving toward left while particle with mass 3m is moving toward right

By using conservation of momentum :

conservation of energy :

After collision, particle with mass m moves at right angles, thus by considering conservation of momentum in x & y direction,

x direction :

y direction :

subsitute these value in energy conservation

35.3 degree from x-axis

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-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

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-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

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hope this