Paragraph Styles 11.(Extra Credit 8pts total): Calculate the Total Mechanical Energy (TE) of a pendulum (mass 4 kg) as it swings from its highest point to its lowest point. Use your equations for gravitational potential energy (GPE) and kinetic energy (KE) to determine these values based on the data given below. Total energy is the sum of gravitational potential energy and kinetic energy. In this problem, round the acceleration due to gravity to g = 10 m/s2. ㄱ a. 6pts.) Complete this table (show your work in the blue blocks below!) RINAL ANSWERS Highest Point Lowest Point mass 4 kg g= 10 m/s Velocity (m/s) 0.0 5.0 Height (m) 1.25 0.0 Kinetic Energy (J) Potential Energy (J) zero KE Таутат. РЕ zero KE XİTUT PE Total Energy (J) nadmun KE Peto PE (United States) 13 no sé cómo llenarla y no sé las respuestas

scattering of light by tiny particles in air to produce the colors we see on sky, is dependent on the following factors:

(i) wavelength of light

(ii) size of the scattering particle  

(iii) distance traveled by light through the atmosphere.

according to rayleigh's law of scattering, the amount of scattering is inversely proportional to the fourth power of its wavelength. shorter the wavelength, greater is its scattering. hence violet/blue light is scattered more than red.

sun's light is a composite light ( visible light) with wavelengths in the range 400 nm (violet) to 700 nm (red). as sunlight passes through our atmosphere, the molecules of air scatter light according to their wavelengths. during sunrise and sunset, the sun's position is below the horizon. hence light from the sun travels a greater distance in the atmosphere when compared to its position a noon.

as sunlight enters the earth's atmosphere, blue light is scattered away and at the end of its journey in the sky, only red and orange wavelengths remain in the beam.

hence at sunrise and sunset, the sky appears reddish orange.

the temperature in kelvin of 2.0 dm3 of an ideal gas is doubled and its pressure is increased by a factor of four. what is the final volume of the gas

the old price per ounce is c/4.

the new price per ounce is c/3.6.

the ratio of the old price to the new one is

(c/4)/(c/3.6) = (c/c)×(3.6/4) = 0.9 . . = 9/10 . . "nine tenths" in either form