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To vaporize 1 g of water requires about 538 cal of heat interaction at 100 degrees C. The resulting vapor at 1 atm occupies a volume of 1674 cm^3. What fraction of the heat of vaporization represents the work needed to push back the atmosphere to make room for the vapour?
A 0.060-kg handball is thrown straight toward a wall with a speedof 10 m/s. It rebounds straight backward ata speed of 9.2 m/s. What average force was exerted on the player by the ball
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
idetailed and elaborate responses to the following questions.nbsp your response to each should be a minimum of one
it is believed that a large electric fish known as torpedo occidentalis uses electricity to shock its victims. a
The mass of the Earth is 5.98 ? 1024 kg, and the mass of the Moon is 7.36 ? 1022 kg. Locate the center of mass of the Earth-Moon system as measured from the center of the Earth
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.85 104 kg/s, with an exhaust speed of 3.30 103 m/s. Calculate the thrust produced by this engine
A crane lifts a 650-{\rm kg} beam vertically upward 23 {\rm m} and then swings it eastward 18 {\rm m}. How much work does the crane do
A person with a weight of 273.6 lb stands on two feet with their weight equally distributed between the two shoes, What is the pressure on each shoe independently
A car travels at a constant speed around a circular track whose radius is2.2km. The car goes once around the track in290s. What is the magnitude of the centripetal acceleration of the car?
An elevator accelerates upward at 1 m/s2. When the elevator is moving upward at 2 m/s, a bolt drops from the ceiling which is 2.5 m above the?
A 9.8 kg board is wedged into a corner and held by a spring at a 50.0° angle, Find the amount by which the spring is stretched from its unstrained length
A car is parked on a steep incline, making an angle of 37.0° below the horizontal and overlooking the ocean, when its brakes fail and it begins to roll. Starting from rest at t = 0, the car rolls down the incline with a constant acceleration of 3...
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