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Solve the following question given below:
Question: A cubical box 22cm on a side is constructed from 1.0cm -thick concrete panels. A 100 W light bulb is sealed inside the box.
Part A: What is the air temperature inside the box when the light is on if the surrounding air temperature is 20oC?
I need tutor help to solve the above question and express your answer to two significant figures and include the appropriate units.
A ball of mass m = 3 kg is attached to a vertical pole by two ropes and moves in a horizontal circle at a constant speed. Find the tension in the lower rope
an airplane travels at 180 kmh for 5 hr in a direction of s48dege from glenview naval air station. at the end of this
A firecracker resting on a level street explodes into three pieces of equal mass. Immediately after the explosion, the first piece is moving north at 125 m/s, and the second piece is moving east at 75.0 m/sec. What is the velocity of the third piece ..
Two tugboats pull a disabled supertanker. Each tug exerts aconstant force of 1.7×106 N, one at an angle 18.0^\circ west of north, What is the total work done by the twotugboats on the supertanker
Suppose one gallon of gasoline produces 1.1 x 108 J of energy, and this energy is sufficient to operate a car for twenty miles. If a 504 mg drop of gasoline could be converted completely into thermal energy, how many miles could the car go with that ..
A small sphere of mass m and radius r slides down a smooth stationary large sphere of radius R under the action of gravity from a position of rest at the top. Find the value of theta at which the particle falls off
A rock is dropped from a sea cliff, and the sound of it striking the ocean is heard 2.8 later. If the speed of sound is 340 , how high is the cliff
A pen contains a spring by a spring constant of 200 N/m. When the tip of the pen is in its retracted position, the spring is compressed 5.90 mm from its unstrained length. In order to push the tip out and lock it into its writing position, the spring..
A capacitance of is connected to an alternating emf of frequency 100 cycles/second. What is the capacitive reactance
Assuming Bohr model of atom. The electron in hydrogen atom orbits nucleus at distance of 0.029 nm. Mass of nucleus is 1.67 x 10 ^-27 kg. Determine the period of the electron
Consider a pair of charged parallel plates, each having an area of 5cm^2. what is the magnitude of the electric field in the space
A glass block (n = 1.56) is immersed in aliquid. A ray of light within the glass hits a glass-liquid surfaceat a 63.0° angle of incidence. What is the smallest possiblerefractive index for the liquid
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