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During an all-night cram session, a student heats up a 0.668 liter (0.668 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 16.8 °C, and the beaker is filled to the brim. A short time later when the student returns, the temperature has risen to 93.8 °C. The coefficient of volume expansion of coffee is the same as that of water. How much coffee (in cubic meters) has spilled out of the beaker?
A 119-turn circular coil of radius 2.01 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. calculate the magnitude of the average EMF
A car with a total mass of 1.92*10^3 kg has wheels of radius 31.0 cm and moment of inertia 0.830 kg · m2. What is the car's translational kinetic and rotational energy
A 2.20-kg object is attached to a spring and placed on frictionless, horizontal surface. A horizontal force of 11.0 N is required to hold the object at rest when it is pulled 0.200 m from its equilibrium position (the origin of the x axis). The ob..
74 L of an ideal monatomic gas is at an absolute pressure of 3 atm when the temperature is 25 C. How many moles of gas are there
Infrared spectra are used by chemists to help identify an unknown substance. Atoms in a molecule that are bound together by a particular bond vibrate at a predictable frequency, determine the resonant frequency of this bond and the wavelength of li..
A car owner forgets to turn off the headlights of his car while it is parked in his garage. how long will it take the battery to completely discharge
A converging lens of focal length 20 cm is used to form a real image 1.0 m away from the lens. How far from the lens is the object
An outboard motor for a boat is cooled by lake water at 14.7°C and has a compression ratio of 14.9. Assume that the air is a diatomic gas. Calculate the efficiency of the engine's Otto cycle
a boy hears an eco of his own voice from a distant hill after 1s. The speed of the sound is 340m/s. What is the distance of the hill from the boy
Suppose the river is flowing east at 3 m/s and the boat is traveling south at 4 m/s with respect to the river, Find the speed and direction of the boat relative to Earth
A uniform beam of length 12 m is supported by a horizontal cable of mass 5 kg at the top and a hinge at the bottom making a 45-45-90 triangle. determine the weight of the beam
The resistor is connected in series with total set of lightbulbs. What is the value of the resistance? What is the power loss in the resistor.
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