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The force component along the displacement varies with the magnitude of the displacement, as shown in the graph. Find the work done by the force in the interval from
(a) 0 to 0.1 m,
(b) 2.0 to 2.0 m, and
(c) 2.0 to 4.0 m. (Note: In the last interval the force component is negative, so the work is negative. f=8.0 N)
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
An electric water heater operates at 66 A and 16 kilowatts, Calculate N (the total number of resistors) and the cost of manufacturing the heating element if in a pack of 100 resistors cost $0.50
The skis have a thrust of 200. Sam's speed at the bottom is 43.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
A long wire is known to have a radius greater than 5.6 mm and to carry a current that is uniformly distributed over its cross section, What is the radius (in mm) of the wire
What time would an observer on one of the two planets measure for the similar trip. Find out the coordinates of the center of gravity for this system.
A certain substance has a mass per mole of 36 g/mol. When 319 J is added as heat to a 35.0 g sample of this material, How many moles of the substance are present
if turns ratio of primary to secondary coil of transformer is 1:3 and voltage on primary coil is 10 volts. what is voltage of seconday coil
The bucket is released from rest at the top of a well and falls a distance 10.3 to the water. You can ignore the weight of the rope.
A binary system consists of two stars that revolve in a circular orbit about a center of mass midway between them. This means that the masses of two stars are equal. Suppose the orbital speed of each star is 285 km/s and the orbital period of each..
A lead bullet with a mass of 0.02 kg traveling at 209 m/s strikes an armor plate and comes to a stop. what is the temperature change
Suppose a train engineer is climbing a vertical ladder at a speed of 0.2m/s while the train is slowly coasting east at 0.70 m/s. Find out the vector of the engineer relative to the ground in rectangular notation.
A parallel-plate capacitor is constructed with circular plates of radius 6.0×10?2m . The plates are separated by 0.26mm, Find the value of the dielectric constant
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