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A copper vat is 44m long at 20 degrees Celcius. How long will it be when filled at boiling water (at one atmosphere of presure) This is needed at the nearest three decimal places.
an aluminum wing on a plane is 35.5m long when the temperature is 20 degrees celcius. At what temperature would the wing be at 0.06m shorter. This has to be at nearest one decimal place. I know that we are trying to find tempature not temperature change.
a bottle containing 8.1kg of mass of water temperature of 24.2 degrees celcius is placed in a refrigerator where the temperature is kept at 0.7 degrees Celcius. How much heat is transfered from the water to cool it to the water of the lower temperature. We need just heat transfer rounded to the nearest one decimal place
a 804kg car is going 27m/s and a driver has to slam on brakes to prevent an accident. Assume that 21.3 kg of iron in the brake pads and rotors absorb the heat that is absorbed by friction in the brakes and rotors. After the car stopped what is the change in temperature in the brake pads and rotors. to the nearest two deciml places.
A lead bullet with a mass of 0.05kg is traveling at 188 m/s strikes a armor plate and comes to a stop. if all the energy is converted to heat snd is absorbed by the bullet what is the temperature change.
One cubic meter of water flowing at niagra falls in new york drops 96.3 meters if all the energy of the water falling is converted to heat how much heat energy would the water have.
A gas of diatomic molecules is in equilibrium at a temperature of 340 K. Compute the mean angular momentum of the molecules
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
compute the impedance of a series r-l-c circuit at angular frequen2cy of 500 rads. r 200ohms l.9 h and c 2uf. what is
A 130- baseball, moving along the axis with speed 35 , strikes a fence at a 45 angle and rebounds along axis with unchanged speed Give the - and - components of its change in momentum.
Find the Lagrangian corresponding to the Hamiltonian. Find an equivalent Lagrangian that does not depend on time. What isHamilton corresponding to this second Lagrangian? What is the relation between the two Hamiltonians?
A parallel-sided plate of glass having a refractive index of 1.58 is in contact with the surface of water in a tank. What angle does this ray make with the normal in the water
A collision between two pucks on an air-hockey table. Puck A has a mass of 0.025 kg and is moving along the x-axis with a velocity of +5.5 m/s. It makes a collison with puck B, which has a mass of 0.050 kg and is initially at rest.
A Cadillac of mass2240 kg going east collides with a Geo of mass1250 kg headed north at 25 km/h on a level highway. How fast was the Cadillac moving before the collision
A small mirror is attached to a vertical wall, and it hangs adistance of 1.56 m above the floor. The mirror is facing due east,and a ray of sunlight strikes the mirror early in the morning andthen again later in the morning.
Four identical springs with k= 67.1kN/m support a car, with the car's weight distributed equally among them. Find the maximum weight for the car
consider electrons accelerated to an energy of 20.0 gev in the 3.00 km long standford linear accelerator. a what is the
A 56-kg student runs at 4.2m/s , grabs a hanging 10.0-m-long rope, and swings out over a lake. He releases the rope when his velocity is zero. What is the angle when he releases the rope
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