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A 4.0-cm object is placed 30.0 cm from a converging lens that has a focal length of 10.0 cm as shown in the diagram.
Note: The diagram is not drawn to scale.
Determine the height and orientation of the image.
A 3.0 m long rigid beam with a mass of 125 kg is supported at each end. An 65 kg student stands 2.0 m from support 1. How much upward force does each support exert on the beam
One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. What is the speed of sound in the gas in the tube
A flat sheet of crown glass has a thickness of 1.6 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 2.1 cm. Light strikes the crown glass perpendicularly and travels during it and then through the crystalline quartz. In ..
Determine far point distance of a nearsighted eye which requires a -4D correcting lens
A toaster is rated at 580 W when linked to a 70 V source. What current does the toaster carry, and what is its resistance?
A ray of one color, for which n=1.51, and a ray of another color, for which n=1.6, travel through a piece of glass. What is the angle between the two rays in the glass
When you take a bath, how many kilograms of hot water (51°C) should you mix with cold water (12°C) so that the temperature of the bath is36°C? The total mass of water (hot plus cold) is 189 kg. Ignore any heat flow among the water and its outside sur..
A 60 kg block is pushed 5m up a fricitonless incline to a height 1m above the ground. How much work is done by the person on the block pushing it up the incline
A 0.25-kg mass is hanging from a spring with spring constant 15 N/m. What is the resulting angular frequency of the oscillation
The 1900-turn coil in a dc motor has an area per turn of 1.1 10-2 m2. The design for the motor specifies that the magnitude of the maximum torque is 5.8 N · m, What is the current in the coil
Three springs, connected in series, with K1 =30, K2 = 40 and K3 = 50 N/m are suspended vertically with a 20 kg mass attached to the bottom. What frequency will the three-spring system oscillate?
A 2.6 kΩ resistor and 4.4 mF capacitor are in parallel, and the combination is connected across an 18V power supply. Determine the charge on the capacitor after a time of 1.4 sec
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