during a snowball fight, two balls with masses 0.4 and 0.6 kg collide head on and form a single mass. each snowball had an initial velocity of 15 m/s. what is the speed of the mass, immediately after collision?

James needs to move this box. he has already checked it and knows it is not too heavy for him to lift. he also has a clear path and a place to safely set down the box. tell james what to do next to safely lift this box by placing the steps in the correct order. place the options on the left in the correct sequence by dragging them to the appropriate answer box to check your answer.

Write a personal narrative essay that describes a significant experience that has shaped your identity. develop the narrative through pacing, dialogue, and details that engage the reader.

In 1919, the temperance movement finally succeeded. they secured ratification of a constitutional amendment (the that banned alcoholic beverages. prohibition began with the 1920 passage of the which enforced the amendment.