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A 31cm focal length converging lens is 21cm behind a diverginglens. Parallel light stikes the diverging lens. After passing through the converging lens, the light is againparallel. What is the focal length of the diverging lens? (hint: first draw a ray diagram)
The first controlled, sustained flight in a heavier-than-air craft was made by Orville Wright on December 17, 1903. The plane took off at the end of a rail that was 60 feet long, and landed 12 seconds later, 180 feet away from the beginning of the..
A ball of mass 1.020 g and positive charge q =45.2 microC is suspended on a string of negligible mass in a uniform electric field. We view that the ball hangs at an angle of theta=15.0 from the vertical. What is the magnitude of the electric field.
A professor drives off with his car (mass 900 kg), but forgot to take his coffee mug (mass 0.33 kg) off the roof. What is the maximum acceleration of the car
A 5570kg open train car is rolling on frictionless rails at 23.6m/s when it starts pouring rain. What mass of water has collected in the car
A copper ball of mass 150 g is removed from Bunsen burner flame and dropped into 500g of water at -20 %u030AC. what was the temperature of the copper when it left the flame
A solenoid 3.74 cm in diameter and 20.4 cm long has 233 turns and carries a current of 11.5 A. Calculate the magnetic flux through the circular cross-sectional area
A young boy with a broken leg is undergoing traction. What is the magnitude of the force exerted on the femur by the lower leg
A car enters a 300-m radius flat curve on a rainy day when the coefficient of static friction between its tires and the road is 0.600. what is the maximum speed if the ramp is banked 30 degrees
Estimate the volume of your body. (Consider your body to be a cylinder having a radius of about 6 inches (or 0.15 m) and a height of about 1.5 meters
A 2.2 m long uniform plank is supported by two bathroom scales, one at either end. Initially the scales each read 100.0 N. How far is his center of gravity from the soles of his feet
A circuit consists of an 100- resistor in series with a 5.5-?F capacitor, the two being connected between the terminals of an ac generator. The voltage of the generator is fixed.
Consider the highest-lying electron on the boron atom. What is the value of the orbital angular momentum of this electron. What are the possible values of the z-component of orbital angular momentum?
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