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Question: A solid piece of lead has a mass of 28.44 g and a volume of 2.55 cm3.
Part A: From these data, calculate the density of lead in SI units (kilograms per cubic meter).
Please give me an explanation for this question.
A hollow aluminium cylinder 20 cm deep has an internal capacity of 2.000 L at 20.00C. It is completely filled with turpentine and then warmed to 80.00C. (i) How much turpentine overflows? (ii) If it is then cooled back to 20.00 C, how far below th..
A sealed contained containing 4 mol of gas is squeezed, changingits volume from 0.020 m3 to 0.018 m3. What was the original pressure and temperature of the gas
in a mass spectrometer singly-ionized atoms or molecules charge e are first accelerated by a potential difference v
In an attempt to reduce the extraordinarily long travel times for voyaging to distant stars, some people have suggested traveling at close to the speed of light. How fast must the rocket travel relative to earth
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a free electron and a free proton are exactly 1.3 cm apart.a find the magnitude of the acceleration of the proton.
An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 112 cm. (a) How far ..
A cannon has a mass 1000 kg. Its muzzle speed 300 m/s. What will be the speeds of the cannon and ball after firing
q1. a cooling unit for chilling the water of an aquarium gives specifications of mechanical power of 110 hp and cooling
a 1.00-kg mass is attached to a spring hanging vertically and hangs at rest in the equilibrium position. the spring
A coaxial cable consists of a wire of radius 1.0 millimeter and an outer conducting shell of radius 8 millimeter. Determine what is the energy stored in a 2 meter length of the cable
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