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A container has 2.0 litres of oxygen gas at 0 degrees Celsius and 1.0 atm pressure
a) how many moles of oxygen does it contain?
b) how many moles of oxygen are in the container?
c) what is the mass of the oxygen gas?
A particular satellite was placed in a circular orbit about 145 mi above Earth. Determine the time required for one complete revolution
A 3.00 kg block slides from rest from the bottom of an inclined plane, tilted up at 25 degrees. How fast is the block traveling up the ramp
An RLC circuit has a resistance of 300 ohms and an inductance of 20 mH. its oscillation frequency is 5000 Hz. At time t= 0 the current is 20 mA and there is no charge on the capacitor. what is the current after six complete cycles?
A truck of mass 2200kg leaves town moving at 25 m/s to the north. Outside town, the truck turns north-east and changes speed to 40 m/s. What is the change in the truck's momentum
A 60 ohm resistor is connected in series with a 30x10^-6 capacitor and a generator having a maximum voltage of 120 volts, what is the phase angle of the circuit
A very light rigid rod with a length of 0.500 m extends straight out from one end of a meter stick. The stick is suspended from a pivot at the far end of the rod and is set into oscillation.
A small oven has a surface area of 0.26 m2. The insulated walls are 1.3 cm thick with an average thermal conductivity of 0.040 W/moC. What is the rate of heat loss
A 28-turn circular coil of radius 4.20 cm and resistance 1.00 %u03A9 is placed in a magnetic field directed perpendicular to the plane of the coil. Calculate the induced emf in the coil at t = 5.80 s
A 4 m long rope weighing 1.4 N is stretched so that the tension is 10 N. The left end is then made to oscillate vertically at 4 Hz by shaking the rope up, What is the speed of the traveling waves on the rope
A generator delivers an AC voltage of the form ?v = (90 V) sin (95?t) to a capacitor. The maximum current in the circuit is 1.50 A. Find the following. (a) rms voltage of the generator V (b) frequency of the generator Hz (c) rms current A (d) reactan..
A fisherman's scale stretches 4.2 cm when a 2.6 kg fish hangs from it. What will be the amplitude and frequency of vibration if the fish is pulled down 3.0 cm more and released so that it vibrates up and down
An 81 kg boat that is 9 m in length is initially 7.8 m from the pier. A 20 kg child stands at the end of the boat closest to the pier. How far is the child from the pier when she reaches the far end of the boat
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