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Question
An object 8cm tall is placed 100mm in front of a 25cm long pinhole camera. Determine the height of the image formed by the pinhole camera. What size would be the image if the object is moved 50mm further back from the initial position? How is the image size formed by the object in the second position compared to the initial image size? Draw both diagrams and label all measurements. What is given? What is asked?
a cross-sectional area of wire so as to produce a steady current of 5.00 mA, How many electrons passed this cross-sectional area in that amount of time
In this problem you will derive two different formulas for the power delivered to a resistor. What is the power P supplied to a resistor whose resistance.
a uniform electric field is established by connecting the plates of a parallel-plate capacitor to a 12-v battery. the
The density of metal mercury is 13.6 g/cm3. What is this density as expressed in kilograms per cubic meter
a proton in the upper atmosphere moves at 8.8times105 ms perpendicular to earths magnetic field which at that point
A bucket of mass 1.60 kg is whirled ina vertical circle of radius 1.40 m. Atthe lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. Find the speed of the bucket
Define FM and what parameter of the intelligence signal causes frequency deviation of the carrier?
In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he is blown along.
A body starts from rest, moves in a straight line with constant acceleration, and covers a distance of 19.6 meters in 4 sec: what was the velocity in half the total time
A race car has a mass of 701 kg. It starts from rest and travels 35.0 m in 3.0 s. The car is uniformly accelerated during the entire time. Illustrate what net force is exerted on it?
After emptying her lung, a person inhales 4.1 L of air at 0.0 oC and holds her breath. How much does the volume of the air increase
question a solenoid is designed to produce a magnetic field of 0.0270 t at its center. it has radius 1.40 cm and length
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