A 1.1 kg rubber ball is travelling at 2.0 m/s when it strikes a 3.9 kg rubber ball travelling at -1.9 m/s. If the 1.1 kg ball rebounds at a speed of -2.5 m/s, what is the new speed of the 3.9 kg ball?


Question 1 of 10multiple choice: select the best answer and click "submit."what method of forecasting predicts the arrival time of a storm based on itscurrent speed and other starting variableso a. climatology methodo b. trends methodo c. analog methodod. persistence method