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A 2.2 kg block of ice initially at a temperature of -20°C is immersed in a very large amount of liquid nitrogen (LN) at a temperature of -196°C, and the nitrogen and H2O are allowed to come to thermal equilibrium. [TBP(N2) = -196°C] Create a particular model of this process and use it to determine how much LN is converted to gas (vapor).
What is the apparent weight of a 75 kg astronaut.
You want to estimate the height of the Empire State Building. You start at its base and walk 15 m away. Then you approximate the angle from the ground at that point to the top to be 88 degrees. How tall do you estimate the Empire State Building to..
What would be the weight of the spherical mass at that location? Round your answer to the nearest tenth decimal place and give your answer in the form "a.bc x 10^(y)" N.
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
What is the potential difference measured by voltmeter
The specific heat of a certain 50 g metallic block is 900 J/kg K. If the block is at an initial temperature of 80 degrees Celsius, and dropped into a 50 g bucket of water at 1 degree Celsius, Find the final temperature of the system
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
A highway curve with a radius of 555 m is banked properly for the car travelling 150 km/h. If a 1650 kg Porshe 928 S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid.
What is the force of air resistance. how high was the jump.
Does an apple tree exert a gravitational force on the earth and if so, how large of a force? Consider and explain this question when the apple is attached to the tree, and when it is falling.
A u-tube with constant cross section is partly filled with water. Engine oil of density 0.8g/cm3 is poured into the right arm (without mixing) until the water level rises 2.0cm. The length of the oil column is then.
What is total distance the bird travels by trains collide
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