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MechanicsQuestion and Answers: Page 9

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what a quantity of pressure?

$${what}\:{a}\:{quantity}\:{of}\:{pressure}? \\ $$

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Calculate the energy loss when a 5 kg object moving at 5 ms^(−1) collides head −on with and sticks to a stationary 3 kg object. [Answer: 3.75 J] I need help. How do I arrive at this answer?

$$\mathrm{Calculate}\:\mathrm{the}\:\mathrm{energy}\:\mathrm{loss}\:\mathrm{when}\:\mathrm{a}\:\mathrm{5}\:{kg} \\ $$$$\mathrm{object}\:\mathrm{moving}\:\mathrm{at}\:\mathrm{5}\:{ms}^{−\mathrm{1}} \:\mathrm{collides}\:\mathrm{head} \\ $$$$−\mathrm{on}\:\mathrm{with}\:\mathrm{and}\:\mathrm{sticks}\:\mathrm{to}\:\mathrm{a}\:\mathrm{stationary} \\ $$$$\mathrm{3}\:{kg}\:\mathrm{object}. \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\left[\boldsymbol{{Answer}}:\:\:\mathrm{3}.\mathrm{75}\:\mathrm{J}\right] \\ $$$$\:{I}\:{need}\:{help}.\:\mathrm{How}\:\mathrm{do}\:\mathrm{I}\:\mathrm{arrive}\:\mathrm{at}\:\mathrm{this} \\ $$$$\:\mathrm{answer}? \\ $$

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