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Migrating geese tend to travel in straight-line paths at approximately constant speed. A goose flies 30km south, then turns to fly 21km west.
How far is the goose from its original position?
A 2.2 kg block of ice initially at a temperature of -20°C is immersed in a very large amount of liquid nitrogen (LN) at a temperature of -196°C, and the nitrogen and H2O are allowed to come to thermal equilibrium.
Two spherical conductors are connected by a long conducting wire and a total charge of 20.0 μC is placed on this combination. One sphere has a radius of 4.0 cm while the other has a radius of 6.0 cm. Explain the reasoning of the steps that allow you ..
A 5.4-µC point charge is located at x = 0.9 m, y = 3.3 m, and a -3.9-µC point charge is located at x = 1.9 m, y = -1.9 m. (a) Find the magnitude and direction of the electric field at x = -3.2 m, y = 0.9 m.' (b) Find the magnitude and direction of..
Imagine that the cannon from Problem #1 is actually firing into a strong wind, What is the final velocity vector of the ball when it lands
Purchase new automated equipment that will change the proportion between variable and fixed costs to 40% variable and 60% fixed. Determine the selling price per unit. Calculate the break-even point in dollars for 2011.
A 340kg wooden raft floats on a lake. When a 65kg man stands on the raft, it sinks 3.0cm deeper into the water. When he steps off, What is the total energy of vibration
Light enters a polarizing apparatus at an intensity of 100 units, Determine the angle of rotation theta
A woman slowly lifts a box weighing 48.0 N from the floor to a shelf 1.50 m above, Find the net work done on the box
A wooden raft has a mass of 85 kg. while empty it floats in water (density 1000 kg/m3) with 61 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
95.8 kg of ice is melted into water then raised to a temperture of 325.8 K. How much energy is needed to complete this process?
Two equally charged insulating balls each weigh 0.26 g and hang from a common point by identical threads 25 cm long. find the magnitude of the charge on each ball
A 4.5m long, non uniform beam weighing 750N, supported by two weighing cables, is at rest in horizonal position as shown . The cable on the right has a tension of T1=650 N.
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