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A 25 g glass tumbler contains 450 mL of water at 24°C. If two 12 g ice cubes each at a temperature of -3°C are dropped into the tumbler, what is the final temperature of the drink? Neglect thermal conduction between the tumbler and the room.
The hydraulic cylinder is subjected to 3 forces. An 8kN force is exerted on cylinder at B that is parallel to the cylinder and points from B towards C. The link AC exerts the force at C that is parallel to the line from A to C. The link CD exerts ..
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor. What is the peak voltage across the inductor
A charge of 0.43 C is spread uniformly throughout a 36 cm rod of radius 7 mm. What are the volume and linear charge densities?
The activity of a radioactive source decreases by 5.2% in 28 hours. What is the half-life of this source
A meter stick, sitting on a frictionless table top, is struck by a wad of clay with a force, F = 4.0 N at an angle. The meter stick will rotate in the plane of the table. Conclude the magnitude of the torque about the axis of rotation located at t..
A 139 x 139 timber is used as a short foundation post. It must support a load of 42 kN. Determine the average axial stress in the post
Students in a physics lab are to determine the specific heat of copper experimentally. They place 0.150 kg of copper shot into boiling water, what is the specific heat of copper
Neutrons (RBE = 2.0) and some unknown radiation type have the same biologically equivalent dose. What is the RBE for the unknown radiation
A 280-g block on a 52 cm long string swings in a circle on a horizontal, frictionless table at 95 rpm. What is the speed of the block.
To determine the location of her center of mass, a physics student lies on the lightweight plank supported by two scales 2.50 apart, as indicated . If left scale reads 300 , and right scale reads 122 .
An object in the shape of a thin ring has radius a and mass M. What is the gravitational force that the sphere exerts on the ring-shaped object
The Hall voltage across a conductor in a 44mTmagnetic field is 1.9?V. What is the strength of the second field
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