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Binoculars denoted as 7 x 50 have a total magnification of 7 times and objective lenses of 50- mm diameter. What is the focal length of the eyepiece if the objective focal length is 25.5 cm?
A company uses a process cost accounting system and the weighted average method for inventory costs. Calculate the equivalent units of production for direct labour for the year.
A cannon is fired horizontally from atop a 40.0 m tower. The cannon ball travels 145 m horizontally before it strikes the ground.With what velocity did the ball leave the muzzle.
Two objects X and Y are observed traveling in space under the influence of the gravitational attraction of the Sun. Determine the smallest speed of the object in the orbit
An industrial laser is used to burn a hole through a piece of metal. The average intensity of the light is = 1.72 × 109 W/m2. What is the rms value of (a) the electric field and (b) the magnetic field in the electromagnetic wave emitted by the laser.
an electron initially traveling in the x-direction with a speed of 4 x 105 ms enters a uniform electric field directed
In a vacuum, two particles have charges of q1 and q2, where q1 = +3.66 ?C. They are separated by a distance of 0.213 m,
Determine the kinetic energy of the proton moving in the labarotory towards a stationary electron so that a neutron is the only final particle
An electron with speed v0 = 2.26×107m/s is traveling parallel to an electric field of magnitude E = 2.36×104N/C. How far will the electron travel before it stops
A 1.0 kg block is attached to a spring with spring constant 18.0 N/m. While the block is sitting at rest, a student hits it with the hammer and almost instantly gives it a speed of 41.0 cm/s. What is the amplitude of the subsequent oscillations? The ..
In a certain automobile engine, 17% of the total energy released in burning gasoline ends up as mechanical work. What is the engine's mechanical power output if its heat output is 78 kW
two gliders are moving on a horizontal frictionless air track. glider 1 has mass m1 194.3 g and is moving to the right
A small ball of mass 0.50 g has an electric charge of 1.0 X 10^(-5) C. The ball has an initial velocity of 20 m/s, directed vertically upward. Find the maximum height of the ball
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