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An Italian chef, who is very scientific in her approach to cooking, measures the specific heat of a porcini mushroom by placing it in a calorimeter filled with 0.678 kg of olive oil at 13.2°C. The mushroom has mass 0.0802 kg and temperature 24.3°C before being placed into the calorimeter. The olive oil's temperature is 14.7°C after thermal equilibrium is reached. The specific heat of olive oil is 1970 J/kg·K. What is the specific heat of the mushroom?
A rectangular block of ice 9.00m on each side and 1.6 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.2 m/s2. How fast will the automobile be traveling at that instant
The power output of he Sun is 3.9 x 10^26 watts. Determine the intensity of the Sun's radiation on he planet Earth
A spherical weather balloon is filled with hydrogen until its radius is 3.40 m. Its total mass including the instruments it carries is 10.0 kg. Find the buoyant force acting on the balloon
What is weight of the parachutist
The catapult on an aircraft carrier can take an aircraft from 0 to 192 mph in 12 seconds, at which time the aircraft launches
You have a cylindrical cup of water that springs a leak 5 cm below the surface of the water. What is the velocity of the water coming out of the hole
A huge cannon is assembled on an airless planet. The planet has a radius of 6.00×106 m and a mass of 2.09×1024 kg. What height does the projectile reach above the surface
A car of mass 1500kg turns an incined corner (radius 50m, angle 30degrees), How fast can the corner be taken without losing traction
A photon with an initial wavelength of 1.380×10-11 m Compton scatters from an electron which is initially at rest. What is the energy of the outgoing photon
Calculate kinetic energy of a solid uniform sphere with a radius of 0.150 and a mass of 16.0 if it is rotating at 6.20 about an axis through its center
He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.
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