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As a physics demonstration a "fire" syringe is used to demonstrate the high temperatures that can be reached inside a chamber when the air inside is compressed rapidly. As the 1.00 cm diameter plunger reduces the height of the column of air inside the chamber from 7.00 cm down to 0.50 cm, the temperature inside increases from 20°C to 210°C. Determine the air pressure inside the chamber (in atm) after compression if the initial air pressure is 1.0 atm. Assume "air" is comprised of a series of ideal gases.
A 10.3 kg block is dragged over a rough, horizontal surface by a 63.6 N force acting at 21° above the horizontal. Find the total change in the block's kinetic energy
A hollow cubical box is 0.498 m on an edge. This box is floating in a lake with 1/5 of its height beneath the surface. The walls of the box have a negligible thickness. Water is poured into the box. What is the depth of the water in the box at the in..
One charged particle of -1.3 × 10-6 C is moving north with a velocity of 5 × 106 m/s. What force is exerted between the particles
q1. the vietnam war was a counterinsurgency that involved us in guerrilla warfare that was similar in some ways to what
A wheel has a radius of 0.5 m. If the wheel rotates on its axis through an angel of 46 degrees, what distance does a point on the rim of the wheel move
A 246 kg wooden raft floats on a lake. When a 80kg man stands on the raft, it sinks 4cm deeper into the water. When he steps off, the raft vibrates for a while.
A cafeteria tray dispenser supports a stack of trays on a shelf hangs from four identical spiral springs under tension, one near each corner of the shelf. Each tray is rectangular, 45.3 cm by 35.6cm, 0.450 cm thick, and with mass 580g. Demonstrate..
The magnetic field in a radio wave traveling through air has amplitude 2.5 10-11 T and frequency 2.9 MHz. Find the amplitude and frequency of the electric field
A spring (k = 75 N/m) has an equilibrium length of 1.00m. if the mass is not attached to the spring, how far up the slope will the mass move before coming to a rest
a 1050 kg sports ca is moving westbound at 15.0ms on a level road when is collides with 6320kg truck driving east on
Your weight is due to the gravitational attraction of the Earth. The Moon, though, also exerts a gravitational force on you, and when it is overhead, Calculate the effect of the Moon on your weight
A 4.00 x 107 kg battleship originally at rest fires a 1200 kg artillery shell horizontally with a velocity of +400 m/s. Calculate the increase in internal kinetic energy
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