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A camera is supplied with two interchangeable lenses, whose focal lengths are 35.0 and 150.0 mm. A woman whose height is 1.80 m stands 9.00 m in front of the camera. What is the height (including sign) of her image on the film, as produced by each of the following.
A 1500 kg car increases its speed from 15 m/s to 18 m/s in 15 seconds. What is the resultant work done on the car
a 100 Watt electric light bulb is plugged into 120 Volt, 60 HZ AC voltage source. What is the peak current in the bulb
You plan to project an inverted image 30.0 cm to the right of an object. You have a diverging lens with focal length -4.00 cm located 5.40 cm to the right of the object. What is the focal length of the second lens
A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to spring and allowed to come to rest. It is after that pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57...
A 200 g ball on a 60 cm long string is swung in a vertical circle about a point 200cm above the floor. The tension in the string when the ball is at very bottom of the circle is 4.4 N.
A laser beam of wavelength 580nm is incident normally on a transmission grating having 410lines/mm
a dog is walking slowly toward a motion detector. Draw a position graph that could represent this motion. Show your work.
A high performance solar panel is 24" by 54". Its maximum power output is 100W when placed under full sunlight. What is the efficiency of this panel
suppose you are outdoors in the Boundary Water Canoe Area of Northern Minnesota. You have in your hand the empty tube from a roll of paper towel. Outline the mathematical steps you would take to help you achieve an accurate estimate of the stars i..
A piece of balsa wood of 0.3 g/cm3 is released after being completely submerged underwater. What is the magnitude of the initial acceleration of the wood
three point charges are arranged in a equilateral triangle of side a= m. Sketch the field lines due to + Q and -Q, What is the x-component of the force
A wire of resistance 5.4 ? is connected to a battery whose emf ? is 2.0 V and whose internal resistance is 1.0 ?. In 1.8 min, how much energy is dissipated as thermal energy in the wire
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