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A capacitor is in series with a 70 Hertz generator whose peak voltage is 170 Volt. Determine what is the capacitance of the capacitor if the rms current is 0.900 Amp?
a two stage rocket of mass 751kg traveling at speed 709ms separates into a first stage of mass 236kg moving at zero
A factory worker pushes a crate of mass 32.0kg a distance of 4.85m along a level floor at constant velocity by pushing horizontally on it. How much work is done on the crate by this force
A force of 725 N accelerates a 325kg object, initially moving at 7.50 m/s, to a final velocity of 28.5 m/s in 16.5 seconds. What was the change in kinetic energy of the object
An airplane with a speed of 76 m/s is climbing upward at an angleof 44° with respect to the horizontal. When the plane's altitude is 500 m, the pilot releases apackage.
A transmission line that has a resistance per unit length of4.5*10^-4 ohms/meter is to be used to transmit 5.00MW over 400miles (6.44 *10^5m). WHat fraction of the input power is lost to the line underthese circumstances
To test the impact performance of a 10 cm thick gymnastics mat, a 20 kg cylindrical mass is dropped onto the mat from a height of 1 m above the mat. How much work does the mat do to stop the fall of the cylinder
the magnetic field 35.0 cm away from a long straight wire carrying current 3.00 a is 2.00 microta at what distance is
A toy car X of mass .200 kg moves along a frictionless surface with a velocity of .180 m/s. It collides with another toy car Y, with the mass .250 kg and a speed of .130 in the same direction.
A rock is thrown from the roof of a building, with an initial velocity of 10.0 m/s at an angle of 30.0 ° above the horizontal. What is the height of the building
an automobile is moving at 90 kmh and ascends a hill of gradient 1 in 25 vertical rise of 1 unit for horizontal
what is the angle formed between wire and ground?
calculate the force exerted by each pier f1 and f2 of a 5.0 m footbridge with a mass of 100 kg evenly distributed when
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