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I ran an experiment in Lab. Placed a can of Tuna in a hot bath and a thermometer inside the can and one outside to measure temperatures inside the can and outside of it, respectively. In addition, also had a thermometer about 8in away from the Tuna can to measure the hot water bath temperature. I measured the temperature in intervals of minutes for 90 minutes. The temperatures went from 0 - 97 degrees after the 1 1/2 hr. The temps varied, in most instances, it raised, but at a few instances, it seemed to decrease some degrees. The question I was asked was, is the system a Transient Heat Transfer or Steady State? How can I tell?
The image behind a convex mirror (radius of curvature = 74 cm) is located 22 cm behind the mirror. What is the magnification of the mirror?
a 25kg mass hangs by a rope. If the tension in the rope is a constant 200N and the initial velocity of the mass is 3m/s upwards, what is the velocity of the mass after 2 seconds
Find the image distance and magnification of the mirror in the sample problem when the object distances are 10.0 cm and 5.00cm. Are the images real or virtual
A diffraction grating with 610 lines per mm is illuminated with light of wavelength 520 nm. A very wide viewing screen is 2.1 m behind the grating. What is the distance between the two m= 1 fringes? Use two significant figures
A bucket filled w/water has a mass of 30kg and is attached to arope that is wound around a cylinder w/radius of 50cm at the top ofa well. What torque does the weight of the water and bucket produce on the cylinder?(g=9.81 m/s2, take care of units1..
A radioactive matter with a half-life of 3.0 days has an initial activity of 0.24 Ci. What is its activity after 6.0 days?
a block of mass m=2.00kg is attached to the end of an ideal spring and its initially hanging motionless. with what angular frequency will the block oscillate
In the figure below, sources A and B emit long-range radio waves of wavelength λ =430 m, by the phase of the emission from A ahead of that from source B by 90°. The distance r A from A to detector D is greater than the corresponding distance B with 1..
What's the definition of quantum physics, in layman's terms?
q1. a jewel thief hides a diamond by placing it on the bottom of a public swimming pool. he places a circular raft on
The gravitational acceleration on the surface of Mercury is 0.38 times that of Earth. What is the ratio of the density of Mars to that of Earth
The plates of a parallel-plate capacitor are 3.00mm apart, and each carries a charge of magnitude 77.0nC. The plates are in vacuum. What is the area of each plate
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