A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In 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 33 m/s in opposite directions.
C. The baseball is thrown at 25 m/s and the softball is thrown at 50 m/s.
D. The baseball is thrown at 50 m/s and the softball is thrown at 25 m/s.

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

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.

Sound travels slower in colder air that it does in warmer air. make a claim about the effect of air temperature on the speed of sound. support your claim with evidence