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Two forces, F1 and F2 act at a point. F1 has a magnitude of 8.80N and is directed at an angle of 62 degrees above the negative X axis in the second quadrant. F2 has a magnitude of 7.00N and is directed at an angle of 53.5 degrees below the negative X axis in the third quadrant.
1. What is the x component of the resultant force?
2. What is the y component of the resultant force?
3. What is the magnitude of the resultant force?
A conducting spherical shell of inner radius of a and outer radius b carries a net charge Q. find the surface charge density on the outer surface of the shell
What is the efficiency of a pump that uses 3.5kW of electrical power in raising 200 litters of water through a height of 12m in 10 seconds
A constant torque of 260 N-m acts on a flywheel. If the flywheel makes 25 complete revolutions, how much work has been done by the torque on the flywheel
Unpolarized light with an intensity of 275 W/m2 passes by the two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. What is an intensity of the light transmitted through both polarizers.
what is the available energy content, in joules, of a battery that opperates a 2.00 w electric clock for 18 months
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, How fast are the waves traveling
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 61.22 diopters, How far is the blackboard from her eyes
250mL of water at 20.0 ?C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
A hanging wire made of an alloy of aluminum with diameter 0.12 cm is initially 2.8 m long. When a 40 kg mass is hung from it, the wire stretches an amount 1.57 cm. A mole of aluminum has a mass of 27 grams, and its density is 2.7 g/cm3.
A 18.0 kg block is being pushed up a ramp by a force FP = 150 N acting horizontally. Determine the work done on the block by the frictional force
Consider a Boeing 777-200 airplane of wing span 60.93 m cruising horizontally at Mach 0.785, Find the emf induced across its wing
Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.76 cm, and its diameter 1.28 cm. Calculate the probable percent error in the volume
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