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Consider the vectors A with arrow = 3.00 i + 5.00 j and B with arrow = 5.00 i - 5.00 j.
(a) Calculate C with arrow and Darrowbold in terms of unit vectors. C with arrow = i + j Darrowbold = i + j
(b) Calculate C with arrow and Darrowbold in terms of polar coordinates, with angles measured with respect to the positive x axis. vector C with arrow magnitude direction ° counterclockwise from the +x axis vector Darrowbold magnitude direction ° counterclockwise from the +x axis
A common flashlight bulb is rated at 0.30 A and2.8V (the values of the current and voltage under operating conditions). what is the temperature of the filament when the bulb is on
A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is -6.0 x 103 J, what is the speed of the skier
A 0.390 kg iron horseshoe that is initially at 745 °C is dropped into a bucket containing 24 kg of water at 46 °C. What is the final equilibrium temperature? Overlook any heat transfer to or from the surroundings.
In Figure, the resistances are R1 = 0.80 Ω, R2 = 2.50 Ω, and the ideal batteries have emfs ε1 = 2.0 V, and ε2 = ε3 = 2.5 V. What is the current through each battery? What is the potential difference Va - Vb?
The drawing shows two situations in which charges are placed on thex and y axes. They are all located at the samedistance of 2.3 cm from the origin O. For each of the situations inthe drawing, determine the magnitude of the net electric field atthe o..
An object is a distance 7|f| in front of a diverging lens. Location of image is to the left of the lens and the image is virtual. Where is the image located
A 0.300 meter long cylindrical capacitor consists of a solid conducting core with a radius of 1 millimeter and an outer hollow conducting tube with an inner radius of 2.15 millimeter. Obtain the charge per unit length for the capacitor
at the surface of a freshwater lake the pressure is 106 kpa.a what is the pressure increase in going 34.5 m below the
A plastic bag is filled with nitrogen at atmospheric pressure and 27.0 oC. How large a volume of nitrogen (in m3) is required
an emf is induced in a conducting loop of wire 1.00 m long as its shape is changed from square to circular. find the
A 20.33 gram ice cube at -8.87 degrees celsius is placed in an aluminum cup whose initial temperature is 182.02 C. What is the mass in grams of the cup
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.4 cubic meters of sea water. What is the buoyant force acting on the object in newtons
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