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How can you tell if a movie actor is wearing 'fake' eye glasses? (In other words, wearing glasses that are not needed for conventional purposes of vision correction). Draw pictures to illustrate this.
Observer S detects two flashes of light. A big flash occurs at x1 = 1242 m and, 6.06 ?s later, a small flash occurs at x2 = 802 m. what is the time interval between the flashes
A shoe store uses small floor-level mirrors to let customers view prospective purchases. At what angle from vertical must such a mirror be inclined so that a person standing 59 from the mirror with eyes 142 off the floor can see her feet.
From what height did the student fall? Suppose that the only force acting on him all through the impact is that because of the ground.
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
When responding to sound, the human eardrum vibrates about itsequilibrium position. What is the maximum acceleration of the eardrum
A box is put on a slide to move it from one part of a factory to another the slide is at an angle of 20 degrees below the horizontal the coefficient of friction between the box and slide is 0.352 what is the acceleration of the box.
two loudspeakers are separated by 1.00 meters and are excited in phase by a 1200 hz sine wave. at what points on a line
A wire has a length of 7.60 multiply.gif 10-2 m and is used to make a circular coil of one turn. find the maximum torque that this coil can experience
A 0.50 kilogram shuffleboard puck slides a distance of 3.0 meter on the board. find what work is done by the force of friction
He reduces his rate of rotation by extending his arms and increasing his mo ment of inertia. Find the value of his moment of inertia (in kg*m2) if his rate of rotation decreases to 0.75 rev/s
A solar cell provides an emf of 0.20 V. If the cell supplies a constant current of 21.5 mA for 8.0 h, how much electrical energy does it supply
The distance between two consecutive nodes of a standing wave is 22.2 cm. The hand generating the pulses moves up and down through a complete cycle 2.74 times every 6.48 s. Find the velocity of the wave
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