In a very busy off-campus eatery one chef sends a 237-g broccoli-tomato-pickle-o

Question

In a very busy off-campus eatery one chef sends a 237-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter from left to right at 1.51 m/s. Almost simultaneously, the other chef launches a 339-g veggieburger-on-a bun (with everything, but hold the horseradish) along the same counter from right to left at 2.17 m/s. The two delicacies collide head on at the given speeds- the counter is practically friction-free due to accumulated grease- and merge into a single, unbelievably savory serving. In what direction does the delectible dish move, if it moves at all? To the left. To the right. Doesn't move At what speed does it move? Enter a positive number.

Explanation / Answer

m1v1+m2v2=(m1+m2)v sub we get left to right x axis right to left -vex axis 237x1.51-339x2.17=576v we get v=-0.655 in -ve x axis so to the left

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