When referring to the one-dimensional quantum harmonic oscillator, which of the following gives the commutator [hat (H),hat (a)^t] hwâ hwât 0 -hwâ

Solid forms of ice last longer because there is more weight with less surface area. True False

Part A Predict whether each nuclide is more likely to decay via beta decay or positron emission. Drag the appropriate items to their respective bins. $\square $ disappointed $\square $ disappointed

COMPREHENSION Instruction: Answer the question from The Allies up to The Arrow pages 1 to 24. What was considered to be the life which is the source of all energy? Select one: a. the bow b. the arrow c. the target d. the allies

The pressure you apply to the gas pedal is known as what? velocity force motion

1.2 We pass initially unpolarized light through a polarizing filter that is oriented at $60^{\circ }$ degrees with respect to the horizontal. If the light had some initial intensity I, what is the intensity after it goes through the filter? $\frac {I}{2}$ Zero $\frac {I}{4}$ $\frac {3I}{4}$ I (5 points)

When operating your vessel with a VHF radio, what channel must you monitor? 16 24 12 20

From the NOAA links:in which year did solar cycle maximum \#23 occur? And what was the observed number of sunspots in this cycle? $2005;100$ $1995;180$ $2001;240$ $2015;210$

20. What is the difference between a short circuit and an open circuit?

3 Formula If 75.6 mC of charge flow through a segment of wire in 31.1 ms , then what is the current in the wire? Answer $\square $ 1 point

A car moving at $35.2m/s$ accelerates uniformly to $45.0m/s$ over 2.25 s. What is the acceleration of the car? $a=[?]m/s^{2}$