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To stretch a certain spring by 3.00 from its equilibrium position requires 9.50 of work.
a.) What is the force constant of this spring?
b.) What was the maximum force required to stretch it by that distance?
how much money does it cost to leave a 100 watt light bulb on for 1 hour if electricity sells for 10cents per kW-h. a) 1cent b) 8 cent c) 22 cent d) 44cent e)100 cent
Diffracted light from a circular aperture is viewed on a distant viewing screen, Find the radius of the aperture if the wavelength of light is 680 nm
An object is placed 60 cm to the left of a converging lens having a focal length of 35cm. Determine the position of the final image
A sprinter can accelerate with constant acceleration for 4.00s before reaching top speed. He can run the 100-meter dash in 10 s.
Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. find the gauge pressure in the pipe on the top floor
if an inductor has a change of current 0.418 A to 0.948 and has an inductance of 1.324, what is the change in energy that the inductor is storing
You want to visit your friend Ford Prefect, who lives in the vicinity of Betelgeuse, 425 light-years from Earth (that is, light takes 425 years to arrive from Betelgeuse). What is the distance between Betelgeuse and Earth
An electron is located on a pinpoint having a diameter of 2.5 um. What is the minimum uncertainty in the speed of the electron
A woman accelerates her motorized scooter, with the engine on, down a 13-m-long ramp that starts at a height of 2.2 m. how many joules of energy did friction absorb
A 700 N car traveling at 25m/s.The breaks are applied suddenly and the car slides to a stop. The average breaking force between the tires and the road is 7100 N.How far will the car slide once the breaks are applied.
A ball of mass 0.113 kg is dropped from a height of 1.92m above ground. The acceleration of gravity is 9.8m/s^2.Neglecting air resistance find the speed of the ball when it is at a height of 0.812 m above the ground. Answer in units of m/s.
A 2.4 kg breadbox on a frictionless incline of angle %u03B8 =43 is connected, by a cord that runs over a pulley, What is the speed of the box when it moves 10 cm down the incline
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