Question: 4. A student is so frustrated with physics homework, they decide to drop their book out the window! The window is 4.0 m above

4. A student is so frustrated with physics homework, they decide to drop their book out the window! The window is 4.0 m above the ground. a) How fast is it going when it hits the ground? b) How fast would it be going if instead of dropping it, they threw it straight down at 2.0 m/s? c) How fast would it be going if instead of dropping it, they threw it straight up at 2.0 m/s? d) Compare the answers for b) & c), and explain the concepts behind them

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