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A Pyrex flask in a refrigerator at 1?C is filled to the top and holds exactly 1000 cm3 of ethyl alcohol. If the refrigerator fails, how much alcohol spills by the time the temperature reaches 28?C? The coefficient of volume expansion of ethyl alcohol is 0.00112 (?C)?1. Ignore the expansion of the flask.
A bicycle wheel of radius 25 cm rolls a distance of 3.0 km. How many revolutions does the wheel make during this journey
A small object is placed to the left of a convex lens and on its optical axis. The object is 30 cm from the lens, which has a focal length of 48 cm. Describe the nature of this new image
A wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. How far will a point on edge of the wheel have travelled in this time.
A billiard ball moving at 6.00 m/s strikes a stationary ball of the same mass. find the struck ball's velocity after the collision
A steady current of 1.5 A flows through a 3600 ohm resistor for 2 seconds. How many charges are flowing at any point in the wire during the 2 seconds
1. a spring with negligible mass stretches 34.0 cm when a 144 g gram mass is suspended from it. now i suspend a mass
The carbon isotope 14-C is used for carbon dating of archeological artifacts. What is the recoil speed of the nucleus
Find tension in the back muscle and the compressional force
Two people, one of mass 75kg and the other of mass 60kg, sit in a rowboat of mass 80 kg. With the boat initially at rest, two people, who have been sitting at opposite ends of the boat 3.2 m apart from each other, now exchange seats. How far and i..
A 4.00 {rm A} current runs through a 12 gauge copper wire (diameter 2.05 {rm mm}) and through a light bulb. Copper has 8.5 times 10^ {28} free electrons per cubic meter.
A hanging wire made of an alloy of aluminum with diameter 0.12 cm is initially 2.8 m long. When a 40 kg mass is hung from it, the wire stretches an amount 1.57 cm. A mole of aluminum has a mass of 27 grams, and its density is 2.7 g/cm3.
A box of mass 72.0 kg is connected to a second box with a mass of 34.0 kg. find the magnitude of the tension in the string between the two boxes
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