(Answered) 1 what does k physically represent in hookes law2 a box

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1. What does "k" physically represent in Hooke's Law?

2. A box sits on the floor of a delivery truck. If the truck brakes sharply, the box slides forward. If the truck brakes lightly, the box does not slide. Explain.

3. A block is sitting on a plate. It begins to slide down an incline when the plate is angled at 38 degrees to the horizontal. What is the value of the coefficient of static friction between the block and plate?

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