Physics, 16.07.2019 08:20 daemonacoster
An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. what is the amount of the force?
Answers: 1
Physics, 21.06.2019 22:00
Air is held within a frictionless piston-cylinder container, which is oriented vertically. the mass of the piston is 0.45 kg and the cross-sectional area is 0.0030 m2. initially (state 1) the pressure of the gas is sufficient to support the weight of the piston as well as the force exerted by the atmospheric pressure ( 101.32 kpa). the volume occupied by the air within the cylinder in state 1 is 1.00 liter. one end of a spring (with spring constant k = 1000 n/m) is attached to the top of the piston, while the other end of the spring is attached to a stage that can move vertically. initially the spring is undeflected and therefore exerts no force. then the stage is then moved quasistatically downward a distance of 10.0 cm, at which point the system reaches state 2. the piston-cylinder is not insulated; rather it remains in diathermal contact with the surroundings, which are at a constant temperature of 300 k. what is the change of pressure within the container?
Answers: 3
Physics, 22.06.2019 18:50
What accounts for an increase in the temperature of a gas that is kept at constant volume? a. energy has been removed as heat from the gas. b. energy has been added as heat to the gas. c. energy has been removed as work done by the gas. d. energy has been added as work done by the gas.
Answers: 2
Physics, 23.06.2019 13:40
What’s the kinetic energy of the object? use . erica is competing in the shot put event at a track meet. she hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. the shot’s kinetic energy is joules.
Answers: 1
Physics, 23.06.2019 17:30
The three phases of general adaptation syndrome are alarm, resistance, and recovery. select the best answer from the choices provided t f
Answers: 1
An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. what is...
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