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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 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 the image height, 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 0.8770 m from the mirror. The same mirror is then used to produce an image of the tree. The image of the tree is 0.9700 m from the mirror.
(a) How far away is the tree?
(b) The image height of the tree has a magnitude of 0.10 m. How tall is the tree?
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg, What is the total kinetic energy of the two blocks after the collision
A spacecraft orbits an unknown planet at a distance of 5.2 x 10^7 m from its center. The period of its orbit is 52 hours. What is the mass of the planet
A uniform magnetic field passes through a horizontal circular wire loop at an angle 15.1° from the normal to plane of the loop. Find the magnetic flux through the loop
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle, what is the correct angle for his launch ramp (deg) and What is his correct launch speed
Two adjacent natural frequencies of an organ pipe are found to be300Hz and330Hz. Calculate the fundamental frequency and length of this pipe
You are boiling water in an alumunum pot. The radius of the bottom of the pot is 10 cm and the aluminum is 3 mm thick. What is the temperature of the outer surface of the aluminum pot
290 Kg piano slides 4.0 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is .40.
Your friend has a near point of 129 cm, How close can she hold a magazine and still read it clearly
An archer fires an arrow horizontally by pulling the bow string back a distance of 0.47 m before releasing the arrow which has a mass of 0.030 kg, how much work does the archer do on the system
Calculate the time the microgel would require to recover to 99% of its initial height after the stress is removed. Determine the potential barrier for the molecule aggregation?
What is the pressure change in water going from a 3.2- cm-diameter pipe to a 1.8- cm-diameter pipe if the velocity in the smaller pipe is 8.0 m/s
A Carnot engine has a power output of 107 kW. The engine operates between two reservoirs at 30?C and 365?C. How much thermal energy is absorbed each hour
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