How far is the bag moving when the bullet exits
A 35.0g bullet moving at 475m/s srikes a 2.5kg bag of flour that is on ice, at rest. The bullet passes through the bag and exits it at 275m/s. How far is the bag moving when the bullet exits?
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An automobile tire is pumped up to a gauge pressure of 2.0 × 105 Pa when the temperature is 27°C. What is its gauge pressure after the car has been running on a hot day so that the tire temperature is 77°C?
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Ethylene glycol, the main component of automotive engine coolant, has a specific heat of 2.35 J/g.oC. Calculate the amount of heat required to raise the temperature of 1.00 kg of ethylene glycol from 20.0 oC to 80.0 oC.
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A 100.0 mL sample of 0.18 M HClO4 is titrated with 0.27 M LiOH. Determine the pH of the solution before the addition of any LiOH.
What is the differences between Al-Bakri and Ibn Battuta regarding to their report about the history of Medieval west Africa?
What is the calculated pH of the solution if there is initially 2.0mL of acetic acid at an initial concentration of 0.89M and 0.80mL of 1.0M HCl is added?
(a) What was the magnitude of the centripetal acceleration of the rock when it was on the string? (b) What was its speed when it was on the string?
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