What is the current in circuit when four lamps are turned on
a circuit contains six lamps with 60-W bulbs and a heater connected in parallel. the voltage across the circuit is 120 V.what is the current in the circuit when four lamps are turned on?
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If the heavier fragment lands back at the same point from which the shell was launched, where will the lighter fragment land and how much energy was released in the explosion?
In the deep ocean, a water wave with wavelength 95 m travels at 12 m/s. Suppose a small boat is at the crest of this wave, 1.0 m above the equilibrium position. What will be the vertical position of the boat 4.0 s later?
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a circuit contains six lamps with 60-W bulbs and a heater connected in parallel. the voltage across the circuit is 120 V. what is the current in the circuit when four lamps are turned on?
A string passes over a frictionless pulley and connects a 250 g block to 2.00 kg block. The inclines are frictionless. Assuming you release both masses from rest, how much time will it take the 250 g to travel 2200. cm along the ramp?
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