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1. A cylinder of gas is at room temperature ( 20oC ). The air conditioner breaks down, and the temperature rises to 52oC. What is the new pressure of the gas relative to its initial pressure (p1)?
_____x p1
2. A constant net force of 1525 N gives a toy rocket an acceleration of 3.7 m/s^2. What is the mass of the rocket? _____kg
3. A cylinder of gas at room temperature ( 20oC) has a pressurep1. To what temperature in degrees Celsius would the temperature have to be increased for the pressure to be 1.7 p1? ___oC
Consider a spacecraft in an elliptical orbit around the earth. At the low point, or perigee, of its orbit, it is 300km above the earth's surface; What is the period of the spacecraft's orbit
Recent measurements show that the black hole at the center of the Milky Way galaxy, which is believed to coincide with the powerful radio source Sagittarius A*, What is the maximum radius of this black hole
a light truck with manual transmission has a circular brake drum with a diameter of d 320 millimeters. each brake pad
A 3.0m long rigid beam with a mass of 130kg is supported at each end. How much upward force does each support exert on the beam
When pulling a mass hanging from a spring at a constant rate down then releasing it so it bobs up and down, what is its maximum amount of kinetic energy
bicyclists in the tour de france do enormous amounts of work during a race. for example the average power per kilogram
A box of sand, initially at rest, is to be pulled across a floor by means of a cable in which the tension cannot be allowed to exceed 1100N. What is the weight of the sand and box in that situation
An astronaut measures her mass by means of a device consisting of a chair attached to a large spring. what is the mass of the astronaut and chair
Estimate mean and maximum velocities for a liquid
Find the distance point P on the tip of the blade has traveled in 3 sec. Also, find the magnitude of the acceleration of point P when t = 3 sec.
A 450 cm3 block of aluminum (D = 2.7 g/cm3) is lowered carefully into a completely full beaker of water. What is the weight of the water
Consider a 0.20-kg ball interacting gravitationally with the earth. What is the system's total energy at this time
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