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A 86 mm focal-length lens is used to focus an image on the film of a camera. The maximum distance allowed between the lens and the film plane is 120 mm. How far ahead of the film should the lens (a) 12.0 m away mm (b) 3.7 m away mm (c) 1.7 m away mm (d) What is the closest object this lens could photograph sharply? cms be if the object to be photographed is at the following distance from the lens?
A beam of light traveling in air strikes the surface of mineral oil at an angle of 17.8° with the normal to the surface. If the light travels at 2.17 X 108 m/s in the oil, determine the index of refraction of mineral oil
A mirror faces a cliff located some distance away. How many times does the muzzle flash of the gun travel the round trip distance between the mirrors before the echo of the the gunshot is heard
A person is making homemade ice cream. She exerts a force of magnitude 22 N on the free end of the crank handle, and this end moves in a circular path of radius 0.28 m. The force is always applied parallel to the motion of the handle. If the handl..
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.947 rad/s. Calculate the total angular momentum of the system
Arie van Wijngaarden shoots a puck at his goaltender father. Arie stands 30 meters from a net having dimensions 3 meters x 2 meters. Assuming his father obscures 1/3 of the net,
An object is placed in front of a concave mirror with a focal length of 37 cm. What is the position of the resulting image if the image is upright
spy planes fly at extremely high altitudes (25.5 km) to avoid interception. what must be the minimum aperture of the camera lens to afford this resolution
A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.
a rock is dropped into an abandon mine and a splash is heard 10 s later. how fast the rock was falling when it hit the water
A person walks 21° north of east for 3.30km. How far would another person walk due north and due east to arrive at the identical location.
A microscope with a magnification of 1000 using a converging lens with a focal distance of 1.5 cm for the objective. The tube length given to you is 30 cm long. What should the focal distance of the eyepiece be if you want the eyes to be relaxed whil..
A 12 ohm resistor, 16 mH inductor, and 95 microFcapacitor are connected in series to a 30 V (rms) source having variable frequency. Find the heat dissipated in the circuit during one period
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