An A. C. source of 220V, 50Hz is connected to a series circuit containing a resistance of 2002, an inductance of 0.5H and a capacitance 10uF. Calculate (i) the current in the circuit. (ii) The phase angle.

Astring that is fixed at both ends has a length of 1.05 m. when the string vibrates at a frequency of 91.0 hz, a standing wave with five loops is formed. (a) what is the wavelength of the waves that travel on the string? (b) what is the speed of the waves? (c) what is the fundamental frequency of the string?

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

Ascientific blank must be testable and capable of being proven false?