Megan rolls a ball down a ramp until the ball hits a wall. The ramp is 2.5 m long and the distance from the end of the ramp to the wall is 1.5 m. If it took .5 sec for the ball to hit the wall then what is the ball’s speed? Answer the following-

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[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color