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an object of mass m = 6.0 kg hangs from a cord around a light pulley. The length of the cord between point P and the pulley is L = 2.0 m. When the vibrator is set to a frequency of 135 Hz, a standing wave with six loops is formed. What must be the linear mass density of the cord?
An object placed on an equal-arm balance scale requires 12 kg to balance it. When object is placed on a spring scale, the spring scale reads 12 kg.
Four identical cells, each of emf 2V are joined in parallel providing supply of current to external circuit consisting of two 15 ohm resistors joined in parallel, Calculate the internal resistance of each cell
A 0.14 kg sphere hangs on a string from the ceiling of a car that is accelerating horizontally at a constant rate. What is the magnitude of the net force on the sphere
q1. a battery of e.m.f 1.50v has a terminal pd of 1.25v is joined to it. calculate the current flowing the internal
A baseball thrown at an angle of 55.0?^\circ above the horizontal strikes a building 16.0m, Find the direction of the velocity of the baseball just before it strikes the building
A tow truck is pulling a car out of a ditch by means of a steel cable (Y = 2.0 x 1011 N/m2) that is 9.63 m long and has a radius of 0.503 cm. How much has the cable stretched
steam at 18mpa and 600 c is contained in a cylinder of volume 0.5m3 , calculate the heat rejected by the steam
A length of 20-gauge copper wire (of diameter 0.8118 mm) is formed into a circular loop with a radius of 25 cm. Find the average electrical power dissipated in the process
An object weighting 100N is traveling vertically upward from the ground in the absence of air resistance at a constant velocity of 5 m/s
A certain atom has an energy level 3.70eV above the ground state. When excited to this state, it remains 9.00%u03BCs , What is the wavelength of the photon
Assume that the only force acting on him throughout the collision is that as a result of the ground.
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest. find the average induced emf in the coil during this time interval
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