Physics

Question A sinusoidal voltage of 10V RMS at 1 kHz is applied to a pure inductance of 10 mH. Calculate: Inductance reactance Current flowing through the inductor Draw a phasor...

Question A train of mass 15000kg is brought to rest when striking the buffers of a terminus. The buffers consist of two springs in parallel as shown in Figure5(b).The spring const...

Question Two cars are approaching each other along a narrow road with space for only one car. The red car is travelling at 100 km/hr and the blue one at 80 km/hr. When they are 0....

Question A beam of length 8m is simply supported at its end as shown in figure.The whole beam carries a Uniformly Distributed Load(UDL) of 10 kN/m together with two point loads of...

Question A 10 F capacitor has a 15 kHz alternating voltage of 15Vp.p applied across it. Calculate: The reactance of the capacitor. The current flowing in the capacitor. Draw ...

Question A basketball scoreboard that weighs 9 kN is to be hung from the roof frame of an indoor stadium using a cable ABC. The ends of the cable are attached to hinges at points ...

Question Where is the centre of mass of the Earth–Moon system? (mEarth = 6 .1024 kg; mMoon = 7 . 1022 kg; distance between Earth and Moon =385 000 km). Summary This questi...

Question A particle is initially at rest at point A on a straight line ABCD. The particle moves from point A to B with uniform acceleration, reaching B with the speed of 12m/s aft...

Question A voltage of 24 V RMS at 400 Hz is applied to a series R-C circuit. If the resistance is 15  and the capacitance 40 F, determine: Circuit impedance Magnitude of ...

Question In a single -phase wattmeter application at full load, the potential transformer phase-angle error gamma is -9 and the current transformer phase angle error beta is -3. I...

Question A liquid mixture of the hydrocarbons methane (1) ethane (2) and propane (3) is flashed through a throttle valve into a separator at 10oC and 13.8 bars. What fraction of t...

Question Define D’Alembert’s principle?   Summary: This question belongs to D’Alembert’s principle