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had some difficulty getting the right answer for this question wondering if someone could help me out thanks Some of the X-rays produced in an X-ray machine have a wavelength of 1.8 nm. What is the frequency of these electromagnetic waves?
Hz
A 20-kg child swings back and forth on a swing such that her height h in m from the ground as a function of x is described by: h(x) = 0.5 + 0.45x2 for -1.2 m ? x ? 1.2 m, What is the maximum potential energy of the child
A uniform upward directed electric field of magnitude 1.4*10^-6 N/C has been setup between tow horizontal plates by charging the lower plate positively abnd the lower plate negatively, what is the vertical deflectio of the mass when it exits the pl..
A technician wraps wire around a tube of length 40.0 cm having a diameter of 7.90 cm. find the self-induced emf in the solenoid?
A 100-W lightbulb has a resistance of about 12 ?when cold (20 ?C) and 156? when on (hot). Estimate the temperature of the filament
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 18cm, what's the balloon's new radius
Measuring the Speed of Sound. A student investigator is measuring the speed of sound by looking at the time for a brief, sinusoidal pulse from a loudspeaker to travel down a tube, What was the approximate length of the tube
A body is suspended vertically from an ideal spring of spring constant 3.4 N/m. The spring is initially in its relaxed position. What is the maximum kinetic energy of the body
A spring of k=12.00 N/m has a block of mass 11- kg attached to it on a frictionless table. If the block is pulled a distance 0.17m to the right and released from rest, how long would it take the block to return to its equilibrium position? Give yo..
A golfer, standing on a fairway, hits a shot to a green that is elevated 6.91 m above where she is standing. find the time that the ball is in the air before it hits the green
A train is traveling up a 3.3 incline at a speed of 2.45 when the last car breaks free and begins to coast without friction. Explain how long does it take for the last car to come to rest momentarily?
A rock is thrown on earth with an initial horizontal velocity and it hits the ground at x meters away from the point where the stone is thrown. how much larger is the new planet's mass relative to earth
Create the magnitude of the net gravitational force on moon
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