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A spark plug in an automobile engine consists of two metal conductors that are separated by a distance of 1.1 mm. When an electric spark jumps between them, the magnitude of the electric field is 5.2 x 107 V/m. What is the magnitude of the potential difference V between the conductors?
A slide projector needs to create a 86 cm high image of a 2.0 cm tall slide, What focal length does the lens need and How far should you place the lens from the slide
A sphere of mass 2.8 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes an angle of 40° with vertical when at rest.
What is the net force exerted on the skier, assuming his acceleration is constant.
A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?
Find density of the object
What is the maximum speed of the mass. What is the radial acceletation experience by mass while it remains at its max. angular speed.
One mole of an ideal gas does 1408 J of work on the surroundings as it expands isother- mally to a final pressure of 1.6 atm and vol- ume of 29L. Find out the initial volume.
A 5 kg fish is swimming at a speed of 1ms swallows a 1.00 kg fish swimming toward it at 4 m/s. The speed of the larger fish after lunch is what.
A 1.70 kg block is released from rest and allowed to slide down a frictionless surface and into a spring. The far end of the spring is attached to a wall.
a 600 ton Boeing business jet is flying at 500 mph at a constant altitude of 35,00 ft. if the jet is holding passengers as cargo amounting to a weight of 37 tons, what is the lifting force acting on the jet provided by the air?
Two stationary positive point charges, charge 1 of magnitude 3.65 and charge 2 of magnitude 1.80 , are separated by a distance of 58. An electron is released from rest at the point midway between two charges, and it moves along the line connecting..
A 20x telescope has a 12-cm diameter objective lens. What minimum diameter should the eyepiece lens have to collect all the light rays from an on axis distant source.
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