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When an objectis placed 132cm from diverging thin lens, itsimage is found to be 66 cm from the lens. The lens is removed, andreplaced by a thin converging lens whose focal lenght is the samein absolute value as the diverging lens. This second lens is atthe original position of the first lens. Where is the image of the object now?
A stone is thrown from the top of a cliff that is 34.6 m high at a velocity of 13 m/s 230 above the horizontal. How long does it take to hit the ground below the cliff
A 500 Hz whistle is moved toward a listener at a speed of 10 m/s. At the same time, What is the apparent frequency heard by the listener
Point charges q1=? 4.80nC andq2=+ 4.80nC are separated by distance 3.90mm , forming an electric dipole, Find the magnitude of the electric dipole moment
A chain consisting of five links, each of mass 0.120 kg, is lifted vertically with a constant acceleration of a = 4.3 m/s2. Find the magnitude of this force
A violin string 12.5 cm long and fixed at both ends oscillates in its n = 5 mode. The speed of waves on the string is 268 m/s, and the speed of sound in air is 348 m/s. What are (a) the frequency and (b) the wavelength of the emitted sound wave?
A 10.48-m ladder with a mass of 24.4 kg lies flat on the ground. A painter grabs the top end of the ladder and pulls straight upward with a force of 270N. What is the net torque acting on the ladder
A truck travels beneath an airplane that is moving 190 km/h at an angle of 26? to the ground.
The red block in the %u201CSame Volume%u201D floats in water. what volume of the blue block would float above the water line if the blue block was placed on top of the red block in the water
A 2500-kg sport utility vehicle travelling at 92 km/h can be stopped in 0.25 s if it hits a concrete wall. Assume a 60 kg person was in the car that hit this wall. The velocity of the person equals that of the car both before and after the crash, and..
A force vector has a magnitude of 590 newtons and points at an angle 44o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
A cylinder of gas is at room temperature (20°C). What is the new pressure of the gas relative to its initial pressure
Zinc has a work function of 4.30 eV. What is the maximum possible speed of the electron
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