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A sample of lead has a mass of 24.00 kg and a density of 1.130 104 kg/m3 at 0°C. (Suppose the average linear expansion coefficient for lead is 2.900 10-5(°C1).)
1) What is the mass of the sample of lead at 80.00°C?
2) What is the density of lead at 80.00°C? (Give your answer to four important figures.)
What is capacitance a measure of, physically? Describe a typical RC circuit. Explain how voltage measured across a capacitorchanges in time, both when the capacitor is charging and discharging. What are theequations that describe this?
zyton corp. budgets production of 292 units in january and 264 units in february. each finished unit requires five
A ball rolls from rest down a roof without slipping. the roof has pitch of 30 degree until there is a flat, horizontal section near the edge of the roof. what was its angular momentum when it left the roof
Using a 673-nm wavelength laser, you form the diffraction pattern of a 0.109-mm wide slit on a screen. How far is the screen located from the slit
If runner A has a 15 m head start and accelerates at 2.75m/s2, find the smallest constant speed that runner B could run at and still catch runner A
A freezer is used to maintain food at an inside temperature of exactly -5.5oC. If the outside temperature of the freezer door is 22oC, find what is the rate of heat loss per minute
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. How many electrons pass through the wires connected to the patient
An amusement park ride consists of a rotating circular platform 8.00 meter in diameter from which 11.0 kilogram seats are suspended at the end of 2.50 meter mass less chains. Determine the speed of each seat
The observer on the right, sees two final images. One image comes directly from the objet. What is the focal length of the concave mirror
A .228g wires are stretched between two points 77.20 cm apart. The tension in the wire is 618N. Find the frequency of the first harmonic. Reply in units of Hz.
question1a painter of mass 140.0 kg stands on a platform of mass 55.0 kg and pulls on two ropes that hang over pulleys
a gymnast with mass m1 46 kg is on a balance beam that sits on but is not attached to two supports. the beam has a mass
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