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While taking a walk around your neighborhood, you see a flash of lightning hit the Earth in the distance. You immediately look at your watch and then hear thunder approximately 11.6 s later. (use 343 m/s as the speed of sound in air)
a) How far away did the lightning strike the ground?
km
b) Find a conversation factor for a thunder delay ( measured in seconds counted) to the distance away of a corresponding lighting strike ( in kilometers) ?
km/s
A capacitor that is initially uncharged is connected in series with a resistor and a 406.7V emf source with negligible internal resistance, What is the resistance of the resistor
Find the shear strain that results if a force of magnitude 8×10^5 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to bottom face of the plate.
A rope having a total mass of 0.4 kg and total length of 4 m has a 0.6 m of the rope hanging vertically down off a work bench. Explain how much work must be done to place all the rope on the bench?
Find the magnetic flux through a circular loop 4.6 cm in diameter oriented with the loop normal at 58 degrees to a uniform 80 mT magnetic field
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.9 g, which includes fuel mass of13.4 g. What is the average exhaust speed of the engine
What is a quantum well: give an example of structure, growth method to make quantum wells and quantum states i.e. outline quantization using diagrams
An elevator can lift a 107 N aircraft a distance of 26 meters in 11 s. What is the power output of the elevator
A block of mass 2.50 kg is pushed 2.60 m along a frictionless horizontal table by a constant 14.0 N force directed 25.0ª below the horizontal. Determine the work done by the normal force exerted by the table
using a large shiny curved surface (mirror). you notice that an object is upright and exactly 2/3 of the height of the object when it is 150m away from the mirror. what is the image distance
A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 45.0 degrees above the horizontal
A pair of narrow slits, separated by 1.8 mm, is illuminated by a monochromatic light source. Light waves arrive at the two slits in phase. What is the wavelength of the monochromatic light
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