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The power of a certain CD player operating at 120V rms is 25.0W . Assuming that the CD player behaves like a pure resistance, find
the maximum instantaneous power.
the rms current.
the resistance of this player
Two cars with equal mass collide head on. One car is going 18 mph. That car is push backward about 38 feet. What is the speed of other vehicle.
A tank with vertical walls, 2m wide and 2m long and 2.5 m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). compute the magnitude and location of the resultant force on each of the ver..
A dragster accelerates to a speed of 100 m/s over a distance of 398 m. Determine the acceleration (assume uniform) of the dragster
Find out the magnitude of the friction force acting on the case. Laser light with a wavelength = 680 illuminates a pair of slits at normal incidence. What slit separation would produce first-order maxima at angles of 40 from the incident direction.
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
A rock is shot up vertically upward from the edge of the top of the building. The rock reaches its maximum height 2 s after being shot. find how tall is the building
A conveyor belt at a quarry lifts 2,000 kg of sand per minute up a vertical distance of 12 meters. The sand is originally at rest, then moves at a speed of 0.20 m/s all along the conveyor belt. What is the instantaneous power produced by this machine..
A transformer has 350 turns and 94 turns for the primary and secondary respectively. what is the output voltage of the secondary
Through a hard sneeze, your eyes might shut for 0.70s. If you are driving a car at 100 km/h during such a sneeze, how far does the car move for the duration of that time.
An ideal gas is compressed from a volume of 400 cm^3 to a volume of 150 cm^3 slowly and isothermally in a piston-cylinder system. determine the heat transfer
An unstable particle having mass of 5.00x10^-27 kg is initially at rest. Find the rest masses of the fragments
The electric field on the x-axis due to a point charge fixed at the origin is given by E=(b/x^2)i, Find the magnitude and sign of the point charge
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