Suppose a particle of mass m is confined to a one-dimensional box of length l. we can model this as an infinite square well in which the particle's potential energy inside the box is zero and the potential energy outside is infinite. for a particle in its first excited state, what is the probability of finding the particle within the center 20% of the box?

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Find the roots of the equation below. x^2 - 6 + 9 = 0

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct