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The owner of a van installs a rear-window lens that has a focallength of -0.299 m. When the owner looks out through the lens at a person standing directly behind the van, the personappears to be just 0.236 m fromthe back of the van, and appears to be 0.337 m tall.
a) How far from the van is the person actually standing?b) How tall is the person
Starting from rest, a 92-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 840 N, How far did he slide down the pole
Use Pascal's principle. Given that Fout is 68 lb., the areas of the output and input cylinders are Aout 21 in2 and Ain 6 in2, what is the input force
A curve of radius 53.8 m is banked so that a car of mass 2.5 Mg traveling with uniform speed 56 km/hr can round the curve without relying on friction to keep it from slipping on the surface
a 0.02 kg lead bullet traveling 200 m/s strikes an armor plate and comes to a stop. If all of its energy is converted to heat that it absorbs, what is the temperature change
As you sit facing your computer screen, electrons are directed from a source at the back of the computer toward you and are deflected by a magnetic field. Which direction must the magnetic field be oriented in order to direct the electrons to the ..
Two satellites are headed towards each other and crash. The one on the left has a rest mass of 200 kilograms and a velocity of .8c. The one on the right has a rest mass of 100 kilograms and a velocity of .6c. What is the resultant direction is and th..
What is the direction of the induced current in a wire loop that is over a magnetic field, in which the magnetic field is increasing but the loop is not moving?
The mass of Jupiter is 300 times that of the earth, and the diameter is 11 times that of the earth, find the acceleration due to gravity on Jupiter's surface
Hakeem throws a 10.50 g ball straight down from a height of 2m. The ball strikes the floor at a speed of 7m/s. What was the initial speed of the ball? Presume that air resistance is negligible.
Light of wavelength 640nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 48mm, obtain the separation of the two slits
Two wooden crates rest on top of one another. The smaller top crate has a mass of m1 = 16.0 kg and the larger bottom crate has a mass of m2 = 90.0 kg. find the frictional force the lower crate exerts on the upper crate
A 26 g bullet strikes and becomes embedded in a 1.10 kg block of wood placed on a horizontal surface just in front of the gun. what was the muzzle speed of the bullet
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