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Calculate the overall magnification of a compound microscope that uses an objective lens with a focal length of 0.50 cm, an eyepiece with a focal length of 2.50 cm, and a distance of 18 cm between the two. (Assume a near point of 25 cm.)
What is the least radius of the circular path? (b) At this radius, what is the force causing the centripetal acceleration of the pilot.
The starter motor of a car engine draws a current of 100A from the battery. The copper wire to the motor is 4.0mm in diameter, How much charge passes through the starter motor
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. How far above the surface of the earth is this orbit
The Graph above shows the speed of a car traveling in a straight line as a function of time. Calculate the distance traveled by the car from a time of 1.60 to 4.50 seconds
The Baretta Model 92S has a barrel 127 mm long. determine how long is the bullet in the barrel?
questiona baseball is hit with a speed of 30.0 ms at an angle of 43.0 degrees. it lands on the flat roof of a 12 meter
A block of mass m = 0.80 kg slides along a horizontal table with speed v0 = 5.50 m/s. At x = 0 it hits a spring with spring constant k = 45.00 N/m and it also begins to experience a friction force. The coefficient of friction is given by ? = 0.250. H..
q1. a small metal sphere carrying a net charge of -2.70 is held in a stationary position by insulating supports. a
The center of mass between an uknown spacecraft and a probe of mass 10^5 kg is 1000 m from the probe. if the spacecraft is 1010 m from the probe, what is the mass of the spacecraft
A railroad car with a mass of 25,000 kg rolls into a second stationary car with a mass of 50,000 kg. How fast was the first car moving before the collision
a 10 kg box is pushed along a frictionless horizontal surface by a horizontal force of 50n. if the box starts from rest
A 1.8 kg ball of putty moving to the right has a head-on inelastic collision with the .50 kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you end about the relative speeds of the balls before the..
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