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A dentist uses a mirror to examine a tooth that is 1.25 cm in front of the mirror. The image of the tooth is formed 10.0 cm behind the mirror.
a) Decide the mirror's radius of curvature.
b) Determine the magnification of the image.
in a long solenoid the density of the wire is 180 turnscm. if the current in the wire is 0.680a what is the strength of
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. 1) At what negative time does the particle pass through the origin? 2) At what positive time does the particle pass through the ..
One skater throws a .3 kg ball at 5 m/s to his friend, who catches it and throws it back at 5 m/s. When the first skater has caught the returned ball, Illustrate what is the velocity of each of the two skaters?
A uniform sign with a weight of W = 10 Newtons and a width of L = 1 m hangs from a light horizontal beam hinged at the wall. The near end of the sign is a distance d = 1 m from the hinge. The beam is supported by a cable attached to the free end that..
A projectile launched vertically from the plane of the Moon rises to an altitude of 370 kilometer. Determine what was the projectile's initial speed
question1a particle of mass m is attracted towards the origin under an influence of a force fmax3.a find out potential
An electron and proton are separated by 2.0 nm. What is the net force on the system
In deep space two spheres each of radius 5.00 m are connected by a 3.00 x 10^2 m nonconducting cord. If a uniformly distributed charge of 35.0 mC resides on the surface of each sphere, calculate the tension in the cord.
A 3 kg box is pushed across a frictionless horizontal floor with a force F = 20 N that makes an angle of 25° with the horizontal. The box moves 18 m.
A certain core material has an actual permeability of 4.40x10^-2H/m. What is the relative permeability of the material
An incident beam of photons is scattered through 167.0° the wavelength of the scattered photons is 125.29 pm. What is the wavelength of the incident photons
A 65.0 kg bungee jumper steps off abridge with a light bungee cord tied to her and to the bridge. The unstretched length of the cord is 11.0m. She reaches the bottom of her motion 36.0 m below the bridge before bouncing back
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