Question

an object is thrown vertically upward from multi storey building with a velocity of 40m/sec which is at the height of 80m from the top..
1) how much time it take to reach the maximum height.
2).how much time it takes to reach the ground​

Answer 1

• A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.