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A 1.50 meter diameter vat of liquid is 2.10 meter deep. The pressure at the bottom of the vat is 1.50 atm. Determine what is the mass of the liquid in the vat?
A wheel rotates about a fixed axis with an initial angular velocity of 25 rad/s. During a 4.0-s interval the angular velocity decreases to 10 rad/s. How many radians does the wheel turn
A 330 ohm (330 ?) resistor is connected to an unknown voltage source. The Voltage- Current Sensor measures a current of 0.50 amps (0.50 A). What is the voltage of the voltage source
A tin can is filled with water to a depth of 38cm . A hole 20cm above the bottom of the can produces a stream of water that is directed at an angle of 30? above the horizontal
An engine with an output of 267.0 W has an efficiency of 39.0 %. It works at 9.00 cycles/s. How much work is done in each cycle
A generator has a square coil consisting of 700 turns. The coil rotates at 98 rad/s in a 0.16-Tmagnetic field. The peak output of the generator is 50.00 V. What is the length of one side of the coil?
A slide loving pig slides down a certain 40 degree slide in twice the time it would take to slide down a frictionless 40 degree slide. Find the coefficient of kinetic friction between slide and pig
In a ballistics test, a 25 g bullet traveling horizontally at 1200 m/s goes through a 35-cm-thick 350 kg stationary target and emerges with a speed of 1000 m/s. What is the target's speed just after the bullet emerges
A woman holds a tube of lipstick 2.3 cm from a spherical mirror and notices that the image of the tube is upright and one fifth its normal size, Determine the position of the image. Is it in front of or behind the mirror
When a ceiling fan rotating with an angular speed of2.70 {\rm rad/s} is turned off, a frictional torque of0.140 {\rm N \cdot m} slows it to a stop in 25.5 {\rm s}. What is the moment of inertia of the fan
in 1910 rutherford performed a classic experiment in which he directed a beam of alpha particles at a thin gold foil.
A small electric immersion heater is utilized to heat 110 g of water for a cup of instant coffee. The heater is labeled "200 watts", which means that it converts electrical energy to thermal energy at this rate. Compute the time needed to bring this ..
A long stick has a mass of 0.5 kilogram and a radius of gyration of 4.1 meter. Find which is harder to swing in a circle, the long stick or the barbell
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