Aball is thrown vertically upwards with a velocity of 20m per second from the top of a multi storied building .the height of the point from where the ball is thrown is 25m from the ground . how high the ball will rise? how long will it be before the ball hits the ground ? [g=10m per second square

where is the photo and the answer choices?

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.