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A g215 g sample of a substance is heated at 330 degree celcius and then plugged into 105 aluminum calorimeter cup containing 165 g of water and a 17 g glass thermometer at 125 degree C. the final temperature is 35 degree C. what is the specific heat of the substance (Assume no water boils away)
A can of soup has a mass 420 g, height 13 cm, and diameter 5.6 cm. Calculate the moment of inertia of the can if it takes 1.5 s to reach the bottom of the incline
Find the kinetic energy of a 81.0-kg spacecraft launched out of the solar system with speed 146 km/s by using the classical equation K =(1/2)mu^2
A rod is 2.40 m long and has a diameter of 2.50 mm. What is the Young's modulus for this rod
A spherical planet has twice the mass and twice the radius of the earth. If a man weighs 810 N on Earth, what would his weight be on the surface of that planet?
discuss and compare the principles of the carnot cycle and the brayton cycle as two different thermodynamic cycles.
A 2.30 cm diameter tungsten sphere is heated to a temperature of 2000 degree C. At this temperature tungsten radiates only 30% of the energy radiated by a blackbody of the same size and temperature.
Two ships are floating at rest in the ocean somewhere. Ship A (1100kg with an escape pod onboard) fires an escape pod horizontally at ship B (2000kg). What is the speed of the escape pod after it left the ship A? Assume that the ship glides throug..
A high diver leaves the end of a 5.0 m high diving board and strikes the water 1.4 s later, 2.6 m beyond the end of the board. what is the angle with which she enters the water
A 10-cm-long nichrome wire is connected across the terminals of a 1.5 V battery. What is the current density inside the wire
Delivery trucks that operate by making use of energy stored in a rotating flywheel have been used in Europe. What is the kinetic energy of the flywheel after charging
An electron entered a parallel-plate capacitor with the speed 5x10^5 m/s horizontally. What is the distance traveled by the electron along its initial direction between the capacitor plates
assume four objects each of mass m are placed at the corners of a square os side length, How much work is needed to separate the planets
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