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An ideal monoatomic gas in a volume undergoes an adiabatic change from p1 =7.0*10^5pa and v1=0.81m^3to triple its initial volume.how much work is done on the gas?
An object is dropped from the top of a tower at a height of 44.1 m. How much time does the object take to reach the ground
Using Heisenberg Uncertainty Principle, estimate fastest possible decay lifetime for a nuclear decay with an energy scale 1MeV
Draw a complete rigid body diagram for a boom of a crane. Given, it is hanging clockwise, with a mass hanging from it as well
A wheel of radius 0.5 meter rotates with a constant angular speed about an axis perpendicular to its center. Find the tangential speed of a point 0.4 meter from the center of the wheel
Two 68 g ice cubes are dropped into 234 g of water in a thermally insulated container. If the water is initially at25°C, and the ice comes directly from a freezer at -15°C, what is the final temperature at thermal equilibrium? (Neglect the heat capac..
a person looking out the window of a stationary train notices that raindrops are falling veritcally down at a speed of
An emf of 10 V is connected to a series RC circuit consisting of a resistor of 1.3 x 106 Ω and a capacitor of2.9 µF. Find the time required forthe charge on the capacitor to reach 89% of its final value.
The two stars in a binary star system have masses 2.2×1030 and 6.5×1030 . They are separated by 2.1×1012 .What is the system's rotation period, in years? What is the speed of the lightest star? What is the speed of the heaviest star?
A Styrofoam calorimeter contains 40.0g of water at 50°C. To this we add 2.0g of ice at initial temperature of 0°C. How much heat (in calories) is needed to melt the ice
Two wheels have the same mass and radius of 5.0 kg and 0.39 m,respectively. Find the net external torque thatacts on each wheel
A kid of mass 20 kg is playing with a swing by an arm length of 5 m. His sister first pushes him such that the maximum angular deviation from vertical position is 0.2 radians (11.46 deg.).
A closed steel object is known to have a hollow cavity withint it. It weights 4800 N in air and 3200 N when wieghed under water. What is the outside volume of the object
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