A baseball has a mass of 140 grams and a softball has a mass of 280 grams. which of the following situations would they both have the same momentum A:the baseball and softball are thrown at 33 m/s in the same direction
B:the baseball and softball are thrown at 33m/s in opposite directions
C:the baseball is thrown at 25m/s and the softball is thrown at 50m/s
D:the baseball is thrown at 50 m/s and the softball is thrown at 25m/s

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical