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A 0.6 kg block of Aluminum at 80 Celsius and a 0. 3 kg block ofcopper at 70 Celsius are placed inside 1.2 liters of water at 20Celsius. The system is thermally isolated. What is the final temperature after the system has equilibrated?
You hold a small plane mirror 0.50 m in front of your eyes, Find the height of the bottom of the mirror such that the lowest point the person can see on the building is 22.9 m above the ground
During takeoff, an airplane climbs with a speed of 160 m/s at an angle of 24 degrees above the horizontal. How fast is the shadow of the plane moving along the ground
A 35kg girl is bouncing on a trampoline. During a certain interval after she leaves the surface of the trampoline, How high does she rise during this interval
The electron gun in an old TV picture tube accelerates electrons between two parallel plates 1.2cm apart with a 28kV potential difference between them. What is the electric field strength between the plates
a box rests on the ice of a frozen pond. A man applies a horizontal force of 48 N to the box causing the box to accelerate at 3 m\s^2. What is the mass of the box
a lost shipping container is found resting on the ocean floor and completely submerged. the container is 5.9 m long 2.9
question114g of nitrogen gas at stp are adiabatically compressed to a pressure of 20atm. what are?a final temperatureb
The resolving power of a microscope depends on the wavelength used. If you wanted to "see" an atom, a wavelength of approximately 1 × 10-11 m would be required.
Slides along an x axis on a frictionless floor
A space station has a diameter of 1000 ft (300 m) and to rotate at a rate sufficient to cause occupants in the outer rings to experience a centripetal force roughly equal to the gravitational force of the moon
the wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. how far does it take the car to stop
a creamy salad dressing is made up of heavy cream corn oil and vinegar as well as a pinch of dry mustard salt and
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