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A telescope for astronomy view has an objective lens 180[mm] diameter with focal length 2000[mm], and is sold with (two) eyepieces ... (1) f of 12[mm] and (2) f of 36[mm] .What magnifications does each provide?
When UV light of wavelength 260nm falls on a metal surface, the maximum kinetic energy of emitted electrons is 1.20eV. What is the work function of the metal
A car is traveling around a horizontal circular track with radius r = 150 m at a constant speed v = 28 m/s as shown, What is the magnitude of the car's acceleration, What is the x component of the car's acceleration when it is at point A
A diving board of length 3.00m is supported at a point 1m from the end, and a diver weighing 520 m stands at the free end . The diving board is of uniform cross section and weighs 270m.
A 100 percent efficient electric motor is lifting a 15N weight at 25cm/s. If the motor is connected to a 7V battery, how much current does it draw.
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire, determine direction of the current in the lower wire
A laser beam is incident at an angle of 30.8° to the vertical onto a solution of corn syrup in water. If the beam is refracted to 19.18° to the vertical, what is the index of refraction of the syrup solution
plan a vector to represent each of the two teams. find the magnitude of the resultant.
Light of wavelength 5.60 multiply.gif 102 nm passes through a slit of width 0.180 mm. Determine the width of the first-order bright fringe
Given the mass of the rubber in the balloon is 1.40 g, what is the net vertical force on the balloon if it is let go, Calculate the buoyant force on a 2.00 L helium balloon.
Show that the sun is not at rest in the center of the solar system by calculating the distance from the Sun's center to the center of mass of the Sun-Jupiter system
A lost shipping container is found resting on the ocean floor and completely submerged. The container is 6.2 m long, 2.5 m wide, and 2.8 m high, What is the mass of the container
The potential at location A is 478 V. A positively charged particle is released there from rest and arrives at location B with a speed vB, Find the potential at B
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