the ball took 0.45 s to hit the ground 0.72 m from the table. what was the horizontal velocity of the ball as it rolled off the table?

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Convection currents are caused by differences in what two things?

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.