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(1)Explain why a beaker filled with water at 4 degree celcius overflows if the temperature is decreased or increased
(2)Mercury boils at a temperature of 357Degree Celcius. How then can mercury thermometers be used to measure temperatures up to 500 Deg Celcius ?
(3)Two thermometers are constructed in the same way except that one has a spherical bulb and the other has a cylindrical bulb. which one will respond quickly to temperature changes ?
a child throws a penny off of the eiffel tower h 324m with a downward velocity of magnitude v0 13 ms. find the speed
Find the force
Water flows through a horizontal tube of diameter 2.9cm that is joined to a second horizontal tube of diameter 2.0cm . The pressure difference between the tubes is 7.6kPa
A 0.300-kg mass, attached to the end of a 0.750-m string, is whirled around in a smooth level table. If the highest tension that the string can withstand is 250 N, after that what highest linear speed can the mass have if the string is not to brea..
a 43.3 kg boy and a 60.0 kg girl are on the surface of a frozen lake 10.5 m apart. using a rope the boy exerts a
A 12.9 kΩ resistor and a capacitor are connected in series andthen a 12.0 V potential difference is suddenly applied across them. Calculate the time constant of the circuit
A gas cylinder with a tight-fitting, movable piston contains 200 cm3 of air at 1.0 atm. What is the volume of gas at this depth
A 1.67 m tall person lifts a 2.34 kg book from the ground so it is 2.22 m above the ground. Calculate the work done by the person
The terminals of a 0.900V watch battery are connected by a 90.0?m?long gold wire with a diameter of 0.200mm, compute the current in the wire
A technician wraps wire around a tube of length 33 cm having a diameter of 8.1 cm. If the current in this solenoid increases at the rate of 5 A/s, what is the self-induced emf in the solenoid
A 10-inch diameter vinyl record rotates on a turntable at 33 rpm. A thrill-seeking ant rides along on the edge of the record. The turntable is abruptly reset to 45 rpm. The turntable reaches 45 rpm in time of 1.1 s. through those 1.1 s, what is the (..
A group of students need to cross a river in the shortest time. In what direction should the students head the boat
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