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A mechanic pushes a 2.4 103 kg car from rest to a speed of v, doing 5100 J of work in the process. During this time, the car moves 29.0 m. Neglecting friction between car and road, find each of the following. Determine the speed v and horizontal force exerted on the car.
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 569 nm. What is the path difference for the two slits at the location y
A small current element at the origin has a length of 1.2 mm and carries a current of 3.9 A in the +z direction. Find the magnitude and direction of the magnetic field due to this current element at the point (0, 3.7 m, 2.0 m).
A negative charge -0.550 µC exerts an upward 0.600 N force on an unknown charge 0.210 m directly below it. What is the unknown charge (magnitude and sign)
Use the semi-infinite-well potential to model a deuteron, a nucleus consisting of a neutron and a proton. How many excited states are there
A fun-loving 10.6 kg otter slides up a hill and then back down to the same place, how much mechanical energy did she lose on the hill
and how would we improve this product? what would we change? how ould that impact the final product performance and
A 58-kg water skier is being pulled by a nylon tow rope that is attached to a boat. What is the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2
A circular loop of radius 50 mm in the plane of the paper carries a counterclockwise current of 15 A. It is submerged in a medium that has a relative permeability of 3.0 Calculate the magnitude and direction of the magnetic induction at the center of..
A 0.51 kg mass at the end of a spring vibrates 9.0 times per second with an amplitude of 0.18 m. Determine the total energy of the system
You measure the period of your heartbeat on a particular EKG graph to be 0.9451 ± 0.06576 seconds. What is your heart rate in beats per minute
A spacecraft is in orbit around a planet. The radius of the orbit is 3.2 times the radius of the planet, What is the period of the spacecraft's orbit
The input coil of a transformer has 10 winding current to flow from 12 volt battery. how long will it take for circuit to rach its final current
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