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A woman stands in a elevator that has a constant acelerationwhile the elevator travel upward a distance of 18.0 m. during thedisplacement, the normal force exerted by the elevator floor does8.25 kJ of work on her and gravity does -7.35 of work on her.
what is the mass of the woman?
what is the normal force that theelevator floor exerts on her?
what is the aceleration of theelevator?
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 3.00 m/s, and her takeoff point is 1.20 m above the pool. How long are her feet in the air
a harmonic sound of wavelength 40cm is resonating in the first overtone of an organ pipe which is closed at one end and open at the other. what is the length of the pipe
A rifle bullet with a mass of 5.00g strikes and embeds itself in a block with a mass of 1.995kg that rests on a frictionless horizontal surface and is attached to a coil spring. What is the initial speed of the bullet
A 600 Hz sound wave travels through a gas. If the wavelength of the sound is 0.4 m, what is the speed of sound in the gas
A 500-turn solenoid is 23 cm long, 1.5 cm in diameter, and carries 65 mA. How much magnetic energy does it contain
A fisherman weighing 60 kg in a boat of mass 30 kg at rest throws a 5 kg jug of water toward the east. what is the speed of the boat
To monitor the breathing of a hospital patient, a thin belt is girded around the patient's chest as in the figure below. The belt is a 160-turn coil. find the magnitude of the average induced emf in the coil during that time
Determine the heat transfer and work for each of the processes. What is the internal energy change for Process 1-2? What is the internal energy change for Process 2-3? (There is an answer posted for the same question, but the answer does not appea..
A photon with a wavelength of 3.30×10?13 strikes a deuteron, splitting it into a proton and a neutron. determine the kinetic energy released in this interaction
The length of a hollow pipe is 1037 cm. The air column in the pipe is vibrating and has nine nodes. Find the frequency of the sound wave in the pipe
A person is watching water waves at the ocean and they notice the peak to peak distance between the waves is 3.4 m. How fast are the waves going
Two capacitors C1 = 5.6 ?F, C2 = 13.7 ?F are charged individually to V1 = 16.4 V, V2 = 6.1 V. Calculate the final potential difference across the plates of the capacitors once they are connected
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