A ball is on a shelf 6.5 feet from the floor. The ball is bumped and rolls off the shelf, what is the velocity of the ball just before it hits the floor? the ball has a mass of 0.56 pounds. the height of the ball is ___ m

the mass of the ball is Kg

The gravitational potential energy is J

the kinetic energy is J

the velocity of the ball is m/s

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?