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Two groups of canoeists meet in the middle of a lake. After a brief visit, a person in canoe 1 pushes on canoe 2 to separate the canoes. Assume the speeds of the two canoes after they are pushed apart are 0.60 m/s for canoe 1and 0.44 m/s for canoe 2.
If the mass of canoe1 is 350 kg, what is the mass of canoe2?
If the solar cells use have an efficiency of 10%, what area of land is needed to produce an output of 1000 MW? Assume that the mean insolation is 500 W/m^2.
After completing the calculations below, sketch the pH curve for the titration of 25.0 mL of 0.200M solution of a weak acid, HA = (Ka = 6.0 x 10^-7), with 0.200M KOH. Indicate the pH at (a) the beginning of the titration
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. What is the mass of the slower locomotive
A thin film of oil (with index of refraction 1.36) is located on a smooth, wet pavement. How thick is the oil film
A 8.75-\mu {\rm C} point charge is glued down on a horizontalfrictionless table. What would the tension be if both charges were negative
An airplane is travelling horizontally with a speed of 50 m/s 500m above the ground. How long will the package take to strike the ground
a - 310-6f capacitor and a - 510-6f capacitor are connected in series across a 500-v supply line. the charged
A coin is thrown vertically down into a well with an initial velocity of 2.5 m/s. What is the velocity of the coin
An electromagnet is made by inserting a soft iron core into a solenoid. What is the relative permeability KB of the iron core
A shot-putter accelerates a 7.3kg shot from rest to 17m/s, If this motion takes 1.3s , what average power was developed
What is an approximate absorbed dose rate in Gy per day in water at the center of the bucket if 163 atoms of Cs-137 disintegrate per g s? Use the straight-ahead approximation and mean-radius method of calculating the photon dose. Give the answers for..
A thin homogeneous plate has the shape of an equilateral triangle and is suspended from one apex, acting as a physical pendulum. Use the Lagrangian to obtain the equation of motion and find the frequency of small oscillations, assuming the motion tak..
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