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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 tennis ball has a velocity of 26 m/s and a mass of 56.1 gram. After the ball hits a tennis racket, the velocity becomes twice that of the original speed and goes in the opposite direction. Compute the force between the racket and the ball
A light spring-gun projectile launcher is mounted on an .443 kg air track glider. find the speed of the air-track glider after the gun is fired
A 7750 kilogram rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.30 m/s2 and feels no appreciable air resistance. Evaluate the maximum height this rocket will reach above the launch pad
Assume that a binary star system consists of two stars of equal mass. They are observed to be separated by 310 million kilometres and take 4.0 Earth years to orbit about the point midway between them.
Two equal-sized buckets are filled to the brim with water, but oneof them has a piece of wood floating in it. Which bucket of water weighs more
Which of the following actions is expected to increase the elastic modulus of a semicrystalline polymer? Select as many as appropriate. increasing the volume fraction of crystalline phase (vs amorphous phase) deformation by drawing (consider the el..
A jet airplane is at level flight. The mass of the airplane is m=8870 kg. What is the magnitude of the lift force acting on the plane
if a 1.1x1011 n force is applied on each 100.0 m cylinder of aluminum brass and steel with a radius of 10.0 m figure 8
Decide the R value for a wall constructed as follows: The outside of the house consists of lapped wood shingles placed over 0.50 in. thick sheathing, over 2.2 in. of cellulose fibber, over 0.50 in. of dry wall.
A thin spherical shell of silver has an inner radius of 2.0 x10-2 meter when the temperature is 18 degree Celsius. Find the change in the interior volume of the shell
A sealed contained containing 4 mol of gas is squeezed, changingits volume from 0.020 m3 to 0.018 m3. What was the original pressure and temperature of the gas
A block of ice with mass 2.00 kg slides0.685m down an inclined plane that slopes downward at an angle of 38.0?, If the block of ice starts from rest, what is its final speed
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