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Problem: The robot HooRU is lost in space, floating around aimlessly, and radiates heat into the depths of the cosmos at the rate of 13.3 W. HooRU\'s surface area is 1.63 m2 and the emissivity of its surface is 0.281. Ignore the radiation HooRU absorbs from the cold universe.
Part A: What is HooRU\'s temperature?
Express your knowledge to solve the above problem.
You sing into a well and find that the well resonates at frequencies of 187 Hz and 221 Hz with no resonances between these two frequencies. What is the depth of the well
A 0.03 kg bullet hits asteel plate and melts and splatters on impact. Assuming thatthe bullet recieves 80% of the collision energy, at what minimium speed must it travel to melt on impact?
A box slides across a frictionless floor with an initial speed v = 3.4 m/s. It encounters a rough region where the coefficient of friction is µk = 0.5. with what speed does the box leave the strip
You inspect a submarine a submarine and the customer wants to know the maximum safe depth it can operate at. What is the submarine's maximum safe depth
A car starts from rest and accletation uniformly for 10s to a velocity of 8m/s. Find the value of accleration, retardation and total time taken
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
A transverse wave on a string is described by the following wave function. y = 0.105 sin ? 10 x + 5?t where x and y are in meters and t is in seconds.
A moving electron has kinetic energy K1. Aftera net amount of work W has been done on it, the electronis moving one-quarter as fast in the opposite direction. (a) Find W in terms of K1
A skater with an initial speed of 7.60 m/s is gliding acrossthe ice. Air resistance is negligible. How far will the skater travel before coming to rest
What plate separation is required if the capacitance is to be 1580pF? Assume that the space between the plates is filled with air
A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 16.1 s. The acceleration of gravity is 9.8 m/s2 .
A lamp (R = 154 Ω), anelectric heater (R = 24Ω), and a fan (R = 48Ω) are connected in parallel across a 117 V line. What total current is supplied to the circuit?
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