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A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree as well as its height but you are unable to make the measurements directly. However, by using a mirror to form an image of the tree and then measuring the image distance and image heigh, you can calculate the distance to the tree as well as its height. Suppose that this mirror produces an image of the sun, and the image is located 0.9000m from the mirror. The same mirror is then used to produce an image of the tree. The image of the tree is 0.9100m from the mirror. (A), How far away is the tree? (B) The image height of the tree has a magnitude of 0.12m. How tall is the tree?
A sealed tank containing seawater to a height of 11.1m also contains air above the water at a gauge pressure of 2.85atm. How fast is the water moving
A particle has a position vector given by r = (12t)i ^ + (60t-25t2)j ^ , Find the instantaneous-velocity and instantaneous-acceleration vectors as functions of time t
indiana jones is pushing back a 290 kg box of treasure which slides 4.6 m down a 27deg incline and kept from
What is the maximum torque on a 125 turn square loop of wire 18.0 cm on a side that carries a 46.0 A current in a 1.60 T field
A 2 cm cube of aluminum has a mass of 22 grams. Calculate the density of this aluminum square in grams per cubic centimeters (gm/cm 3 ).
In a large steam engine, a horizontal rod is attached to a flywheel by means of a frictionless pivot 95 cm from the wheel's axis. what is the torque about the wheel's axis
q1. the wind blows with a force of 425n north on a sail boat while the water exerts a force of 325n west on the
A hummingbird is flying in such a way that it is initially moving vertically with a speed of 4.4 m/s and accelerating horizontally at 11.9 m/s2. Assume the bird's acceleration remains constant for the time interval of interest
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. What is the acceleration of the bullet while it is in the barrel
A 90 kg astronaut and a 1600 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.24 m/s directly away from the shuttle.
if you have available several 3.0-uf capacitors each capable of withstanding 200v without breakdown how would you
An LR circuit is constructed using a (10.0 +/- 0.1) ohm resistor and a (330 +/- 3) mH inductor. Determine the value of the time constant from the exponential fit
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