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Discover the amount of heat needed to increase the temperature of 3.4 mol of an ideal monatomic gas by27 K in the following circumstances.
1) The pressure is held constant.
2) The volume is held constant.
An object is placed 30cm to the left of a lens with a focal length =25cm. A second lens (-22cm) is placed 80 cm to the right of the first lens. Determine the distance between the second lens and the final image formed by the two lens system.
The position of an object as a function of time is given by x = bt2 - ct, where b = 2.0 m/s2 and c = 6.7 m/s, What is the instantaneous velocity of the object
a rectangular loop of resistance r 0.001 ohms measuring x 0.15 m by y 0.07 m is projected with velocity v 6.2 ms
An iron bolt is used to connect two iron plates together. The bolt must withstand shear forces up to about 3150 N. Calculate the minimum diameter for the bolt
The electric potential at a position located a distance of 21.6 mm from a positive point charge of 8.70×10-9C, estimate the value of the second charge
A 9.5 gram bullet hits a 5.4 kg block in collision as shown in the figure such that the block is free to rotate as a pendulum. what would be the final height of the block
A 243-g ball falls vertically downward, hitting the floor with a speed of 2.48 m/s, Calculate the magnitude of the change in the ball's momentum
An airline pilot pulls her 12.0 kg rollaboard suitecase alongthe groung with a force of 25.0 N for 10.0 m. The handle she pullsmakes an angle of 36.5 degrees with the horizontal. How much workdoes she do over the ten meter distance?
Perfectly, when a thermometer is utilized to measure the temperature of an object, the temperature of the object itself must not change. However, if a important amount of heat flows from the object to the thermometer, the temperature will change.
A copper cable is designed to carry a current of 340 A with a power loss of 4.80 W/m. What is the required radius of this cable
A 150-g aluminum cup contains 900 g of water in thermal equilibrium with the cup at 85°C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.6°C per minute. At what rate is energy being removed? Express your a..
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car are traveling at 120 km/h. what is your speed (in km/h) when you hit the police car
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