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Q. Assume that you wish to fabricate a uniform wire out of .60 g of copper. Assume the wire has a resistance R = 0.300 and all of the copper is used. (a) What will be the length of wire?
(b) What will be the diameter of wire?
A uniform meter stick with a mass of 205 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other at the 90 cm mark. what is tension on the string at the 0 cm mark and at the 90 cm mark.
What is the force on a test charge Q at the center.
What is the magnitude of the maximum torque. What is the utmost load for this crane at an angle of 15° with the horizontal.
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
An Indy car with a speed of 120km/h goes around a level, circular track with a radius of 1km. What is centripetal acceleration of the car.
A certain car battery with a 12.0 V emf has an initial charge of 178 A•h. assume that the potential across the terminals stays constant until the battery is totally discharged, for how long in hours can it deliver energy at the rate of 115 W.
Two sound sources driven in phase by the equal amplifier are d = 4 m apart on the y axis. At a point a very large distance from the y axis, constructive interference is first heard at an angle θ1 = 0.140 rad with the x axis.
Air at 1 ATM & 80 °C is fed to a chiller. The air contains water vapour at 15 degrees of superheat. The air stream is chilled to condense 50% of the water in the feed. At what temperature must the chiller operate if the product streams are also at..
What is the horizontal component of velocity
The tortoise can run with a speed of 0.1 m/s and the hare can run with a speed of 2 m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his ..
What is the minimum coefficient of friction between tires and road.
What is the normal force that the incline exerts on the block. find the acceleration of the block.
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