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You decide to have hot dogs for dinner. In the grocery store, you find that buns come only in packages of 12, whereas the wieners come in packages of 8. How can your purchases lead to having no buns or wieners left over? (How does this problem fit in with this chapter?)
Radiation falling on a perfectly reflecting surface produces an average pressure p. what is the pressure at that surface in terms of p
A Camera flash circuit (being used for a coil gun) with a capacitance of .180 mF is charged to a voltage of 330 volts. Calculate the energy stored in it. What resistance should be put in series with the capacitance to limit the discharging current to..
a hot air balloon achieves itsbuoyant lift by heating the air inside the balloon which makes itless dense than the air
A charge of +2?C and 6 mg is fired directly upward at a speed of 500 m/s. The charge reaches the top of its trajectory at 30 m. Ignoring gravity, find the magnitude and direction of the electric field necessary to accomplish this.
a solenoid is wound with a single layer of insulated copper wire of diameter 2.500 mm and has a diameter of 3.000 cm
A special electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider.
An airplane reaches a velocity of 71.0m/s when it takes off. What is should its acceleration be if the runway is 1-km long.
A wrecking ball (800 kg) swings from a crane in a circular path of radius 20 m. At the bottom of its swing, it moves with a speed of 10 m/s; Calculate the centripetal force that acts on the ball
Light of wavelength 720nm falls on two slits and produces an interference pattern in which the fourth-order fringe is 46mm, What is the separation of the two slits
A 4.8 kg can of paint is sitting on top of a 3 meter high step ladder. How much work did you do to move the can of paint to the top of the ladder?
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.73 105 Pa and the pipe radius is 2.80 cm. Find the speed of flow in the lower section
On average, an electric water heater operates for 2.3 h each day. what is the cost of operating the heater
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