QUESTION

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Question 5 A European sports car dealer claims that his car will accelerate at a constant rate from rest to $100 \mathrm{~km} / \mathrm{hr}$ in 8.00 s. if so, what is the acceleration? (0.int first convert speed to m/s.) $3.47 \mathrm{~m} / \mathrm{s}^{2}$ $6.82 \mathrm{~m} / \mathrm{s}^{2}$ $11.4 \mathrm{~m} / \mathrm{s}^{2}$ $17.4 \mathrm{~m} / \mathrm{s}^{2}$


Question 9 If it takes $8.0 \mathrm{~N}$ to stretch a spring $6.0 \mathrm{~cm}$ and if the spring is then cut in half, what force does it take to stretch one of the halves $3.0 \mathrm{~cm}$ ? $2.0 \mathrm{~N}$ $4.0 \mathrm{~N}$ $8.0 \mathrm{~N}$ $16 \mathrm{~N}$

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QSCKIG The First Answerer