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On a certain day the barometric pressure at sea level is 30.1 in. Hg, and the temperature is 708F.
The pressure gage in an airplane in flight indicates a pressure of 10.6 psia, and the temperature gage shows the air temperature to be 468F.
Estimate as accurately as possible the altitude of the airplane above sea level.
A plane mirror and the concave mirror (f = 8.70 cm) are facing each other and are separated by a distance of 23.0 cm. An object is placed between the mirrors and is 11.5 cm from each mirror.
0.45 kg of a metal at 90.°C is added to 0.40 kg of water at 20.0°C. If the final temperature of the mixture is 26.°C, what is the specific heat of the metal
A 7.3-kg ladder, 1.92 m long, rests on two sawhorses. SawhorseA, on the left, is located 0.30 m from the end, and sawhorse B, onthe right, is located 0.45 m from the other end. Chose the axis ofrotation to be the center of mass of the ladder.
Two polarizers are oriented at 73° to one another. Unpolarized light falls on them. What fraction of the light intensity is transmitted?
Water is flowing through a pipe with a constriction. The diameter of the narrow section is one-half the diameter of the wide section. what is the velocity of the fluid in the narrow section
you want to plug in a light bulb p100w an electric heater 1500 w your laptop 65w and a hair dryer 1200 w into the same
Suppose there is a small pond near your home. A measuring stick is mounted at the end of a pier in order to gauge the height of the water. Assume the height of the water is 100 cm. You are carrying a large boulder as you step into a small boat tied t..
A disk-shaped space station 175 m in diameter spins uniformly about an axis perpendicular to the plane of the disk through its center. How many rpm (rev/min) must this disk make
A car traveling 94 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.84 m. What was the magnitude of the average acceleration of the driver through the collision?
It took 1 sec for 1000 coulombs of charge flows through a resistor in circuit. How much current flowed through the rsistor
An ac generator has a circular coil of 338 turns and diameter 0.200 m which rotates about an axis in the plane of the coil, What is the peak emf (in V) generated across the generator coil
A 67.00 kg person on skis is going down a hill sloped at 30° from the horizontal. The coefficient of friction between skis and snow is 0.19. What would be the magnitude of the acceleration.
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