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Physics homework help

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electrical engineering

1.3-2 1.3-3


1.3-2 The charge passing a point to the right is sketched in Fig. P1.3-2. Sketch the current directed to the right as a function of time.

Answers: -3 A for -2 s < t < -I s, 0.5 A for -I s 4s.

13-3 Automobile storage batteries are rated in tens of their terminal voltage (12 V) and their ampere-hour capacities.


pre-lab physics

I have pre lab qustions for physics i need help with it. 

Phet Photo Electric Effect Lab 28


For Lab 28 – Complete the following questions for lab 28




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