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Two moles of an ideal gas are placed in a container whose volume is 9.1 multiply.gif 10-3 m3. What is the average translational kinetic energy of a molecule of the gas
A large tank is filled with methane gas at a concentration of 0.690 kg/m3 The valve of a 1.37-m pipe connecting the tank to the atmosphere is inadvertently left open for eleven hours. What is the cr
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. How much sound energy comes through the window
The electron and positron have the same velocity. What is the kinetic energy of the electron
Two people carry a heavy electric motor by placing it on a light board 2.70m long. One person lifts at one end with a force of 380N, Where is its center of gravity located
A uniform 270N ladder rests against a perfectly smooth wall, making a 40.0? angle with the wall. What is the friction force on the ladder at the floor
An ideal gas occupies a volume of 3.0 cm3 at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.437 × 10-3 m3/s, At what speed does the water exit the nozzle
A nurse measures the temperature of a patient to be 39.3°C. What is this temperature on the Fahrenheit scale
after boarding an airpalne you carry your 14.0 kg suitcase down the aisle to your seat a distance of 24.0 m
Your friend has a near point of 129 cm, How close can she hold a magazine and still read it clearly
A roach that runs for its life because you try to hit it with your physics book runs off the horizontal tabletop with a speed of 0.64 m/s. Find the height of the table
An 80.0 kg gymnast has a moment of inertia about the mediolateral axis through his COM of 15.80 kg . m2. what is his moment of inertia about the high bar
Suppose that you hear a clap of thunder 15.5 s after seeing the associated lightning stroke. How far are you from the lightning stroke
The length of an individual's forearm and hand is 30.0 cm and the mass of an individual's hand and forearm is 1.50 kg. Calculate the moment of inertia of the hand and forearm about a mediolateral axis
Frank and Mary are twins, and Mary wants to travel to our nearest star system, Alpha Centauri (4.30 lightyears away). How old will Frank be when she returns
If light is shown from a sheet of glass toward water and just skims the boundary between the glass, at what angle was the light aimed toward the water
Suppose 1.0 mol of a monatomic ideal gas initially at 10 L and 335 K is heated at constant volume to 670 K, What is the net work done by the gas during the cycle
Brianne's heart is beating at 76.0 beats per minute. Calculate the frequency of her heart's oscillations in Hz
An object known to be made of copper (p=8.89 g/cm^3) and aluminum (p=2.7 g/cm^3) "weighs" 25 g in air but only 20 g in water. How much copper is in the object
a hydraulic jack has an in[put piston area of 2 cm^2 and an output piston area of 18 cm^2. What will be the pressure on the oil
A 15 kg box is being pushed across the floor at 1.7 m/s to the right. When the pushing force is removed, find the frictional force exerted on the box by the floor
One cubic meter of water flowing over Niagara Falls in New York drops 92.2 meters. how much heat energy would the water have
A lead bullet with a mass of 0.02 kg traveling at 209 m/s strikes an armor plate and comes to a stop. what is the temperature change
A 821 kg car is going 29 m/s and the driver has to slam on his brakes to prevent an accident. what is the change in temperature of the brake pads and rotors