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A human hair is about 80.0 µm thick. If one uses a concave mirror with a focal length of 2.50 centimeter and obtains an image of -59.0 centimeter, find how far has the hair been located from the mirror? Determine what is the magnification of the hair?
An object that is 37 cm in front of a convex mirror has an imagelocated 25 cm behind the mirror. How far behind the mirror is the image located when the object is 30 cm in front of the mirror?
To monitor the breathing of a hospital patient, a thin belt (a 200-turn coil) is placed around the patient's chest. Suppose that the belt has a radius of 20cm and when the patient inhales, the belt expands to a radius of 20.5cm. The magnitude of t..
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by assuming that your weight density is a bit less than that of water.)
A diver springs upward with an initial speed of 1.7 m/s from a 3.0-mboard. What is the highest point he reaches above the water?
A spaceship of mass 2.3×10^6kg is cruising at a speed of 6.0×10 ^6m/s when the antimatter reactor fails, blowing the ship into three pieces. What is the direction of the third piece
A tennis ball (m = 0.2 kg) is thrown at a brick wall. It is traveling horizontally at 16 m/s just before hitting the wall, find the magnitude of the average force of the wall on the ball
A jewel smith wishing to buff a finished piece of jewelry attaches a buffing disk to his drill. What is the period of rotation of the disk now
In the nuclear-fission reaction, neutrons are emitted, usually some number of neutrons between 0 and 5. The process is thought to be random. First calculate the total number of fissions observed. Then calculate the average number of neutrons per f..
A 1meter long rod has a circular cross-section with an area of 2 m^2, How far from the left end is the center of mass of the rod
A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. Find the volume flow rate Q of the gas
Pretend a person can walk only at a certain pace no faster, no slower. If you time her uninterrupted walk across a room of known length, you can compute her walking speed.
a what is your average speed from houston back to san antonio?nbspkmhb what is your average speed for the entire
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