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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?
When a potential difference of 144V is applied to the plates of a parallel-plate capacitor, the plates carry a surface charge density of42.0nC/cm2. What is the spacing between the plates?
A tractor is pulling a sled at a velocity of 6 ft/s. If the rear wheels are 5 ft in diameter and the front wheels are 2 ft in diameter. What is angular velocity of the front wheels
A projectile of mass 1.400 kg is shot straight up with an initial speed of 21.0 m/s. How high would it go if there were no air resistance
A girl delivering newspapers travels 2 blocks west, 2 blocks north, and then 5 blocks east. What is her resultant displacement
a cord is used to vertically lower an initially stationary block of mass m 15 kg at a constant downward acceleration
A 6.2\({\rm ft}\) tall shopper in a department store is 18\({\rm ft}\) from a convex security mirror, What is the mirror's radius of curvature
a retarding force is applied to a body moving in a straight line so that during an interval of its motion its speed v
A certain gasoline engine has an efficency of 30% what would the hot resevoir temp be for a carnot engine having that efficency if it operates with a cold resevoir temp off 200C
A shell is fired from a gun with a muzzle velocity of 35 m/s, at an angle of 60° with the horizontal. How far from the gun does the other fragment land
A bullet with mass 5.04 g is fired horizontally into a 2.125-kg block attached to a horizontal spring. Find the initial speed of the bullet-block system
In a mass spectrometer, a singly charged ion having a particular velocity is selected by using a magnetic field of 0.12T perpendicular to an electric field of 1.5×103 V/m. What is the mass of the ion
A 2.5hp electric motor on a water well pumps water from 10m below the surface. The density of water is 1.0 kg per liter. How many liters of water does the motor pump in 2.0hr
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