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(a) A 2.20 cm high insect is 1.15 m from a 130 mm focal-length lens. What is the image distance and How high is the image.
(b) What if f = -130 mm? What is the image distance and how high is the image?
A 7.00-mole ideal gas system is maintained at a constant volume of 7.00 liters. If 1.40 ? 102 J of thermal energy is transferred to the system, Find the change in temperature if the gas is diatomic
A cylinder contains 4 moles of a monatomic gas at an initial temperature of 27oC. Obtain how much heat flows into or out of the gas
A star with an initial radius of 1.00 108 m and period of 30.0 days collapses suddenly to a radius of1.00 104 m. Find the period of rotation after collapse
The raised span of a drawbridge has its mass of 11,000kg distributed uniformly over its 14m length. Discover the magnitude of the tension in the supporting cable and the direction and magnitude of the force exerted with the hinge?
A passenger on a moving train walks at a speed of 1.8 m/s due north relative to the train. What are the magnitude and direction (west of north) of the velocity of the train relative to the ground
An RLC circuit is used to tune a radio into an FM stationbroadcasting at 88.5 MHz. What inductance should be present in the circuit
An electron has a speed of v = 0.953c. What is its total energy (rest plus kinetic energy)
seals may cool themselves by using thermal windows patches on their bodies with much higher than average surface
One string of a certain musical instrument is 72.0 cm long and has a mass of 8.76 g . It is being played in a room where the speed of sound is 344 m/s . a) To what tension must you adjust the string so that, when vibrating in its second overtone, ..
A proton (rest mass 938.3 MeV/c^2) is confined to a small region of space 2.0 nm wide. What is the uncertainty on its speed due to this confinement
A hydraulic is designed with a line that is 62 ft long. If the applied pressure at one end of the line is 6 Pa, what is the applied pressure at the other end?
A ball falls from a 30 meter tower. How fast is it going when it has fallen two-thirds of the way to the ground? Assume air resistance is negligible
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